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Alogliptine working standard Acetazolamide EP Impurity A, B, C, D, E, F, G. Acetazolamide Related compAlogliptin BenzoateCAS No. 850649-62-6C18H21N5O2. C7H6O2 M.W. 339.40 122.12 Alogliptin Benzoate Alogliptin-13C-d3CAS No. 850649-62-6 (non-d)C18H18N5O2D3 M.W. 343.41 Alogliptin-13C-d3 Alogliptin Related Compound 1CAS No. N/AC10H9ClN4O4M.W. 284.66 Alogliptin Related Compound 1Alogliptin Related Compound 2CAS No. N/A Alogliptin Related Compound 2 Alogliptin Related Compound 3 ((S)-Alogliptin)CAS No. 1108732-05-3C18H21N5O2 M.W. 339.40 Alogliptin Related Compound 3 ((S)-Alogliptin) Alogliptin Related Compound 4CAS No. 1268836-55-0C31H30N8O4 M.W. 578.64 Alogliptin Related Compound 4Alogliptin Related Compound 5CAS No. 1338677-76-1 (racemic)C10H16N4O2M.W. 224.26 Alogliptin Related Compound 5 Alogliptin Related Compound 6 DiHClCAS No. N/AC13H17N3. 2 HClM.W. 215.30 2 36.46 Alogliptin Related Compound 6 DiHCl Alogliptin Related Compound 7CAS No. N/AC15H20N6O4 M.W. 348.36 Alogliptin Related Compound 7Alogliptin Related Compound 8CAS No. N/AC23H25N7O4M.W. 463.50 Alogliptin Related Compound 8 Alogliptin Related Compound 9C23H25N7O4 M.W. 463.50 Alogliptin Related Compound 9 Alogliptin Related Compound 10CAS No. N/AC26H26N6O2M.W. 454.54 Alogliptin Related Compound 10Alogliptin Related Compound 11CAS No. N/AC25H25N5O3 M.W. 443.51 Alogliptin Related Compound 11 Alogliptin Related Compound 12C18H21N5O2 M.W. 339.40 Alogliptin Related Compound 12 Alogliptin Related Compound 13CAS No. 865758-98-1C17H19N5O2M.W. 325.37 Alogliptin Related Compound 13Alogliptin Related Compound 14CAS No. 1820685-30-0C18H23N5O3M.W. 357.42 Alogliptin Related Compound 14 Alogliptin N-Acetylated Metabolite M-IIC19H21N5O3M.W. 367.41 Alogliptin N-Acetylated Metabolite M-II Alogliptin Related Compound 15CAS No. 1108731-49-2C20H23N5O3M.W. 381.44 Alogliptin Related Compound 15Alogliptin Related Compound 16C18H22N4O4 M.W. 358.40

Functioning efficiently from Navi Mumbai(India), we are known for bringing forth quality products at competitive price. In order to ensure zero defects to the products, we have installed automated warehousing system in our spacious warehouse. The system is supervised by well-trained personnel only.

 

Apremilast working standard

Apremilast Impurity A, B, C, D, E, F, G, H.

Apremilast Related compound A, B, C, D, E, F, G, H.

Apremilast

• CAS No. 608141-41-9
• C22H24N2O7S M.W. 460.51

Apremilast Impurity 2

• C22H24N2O7S M.W. 460.51

Apremilast Impurity D

• C23H26N2O7S M.W. 474.54

Apremilast Impurity H

• C12H19NO4S M.W. 273.35

Apremilast Impurity 5 Sodium Salt

• CAS No. 1809170-71-5 (free base)
• C22H25N2O8S. Na M.W. 477.52 22.99

Apremilast Impurity 8

• C19H20N2O6S M.W. 404.45

Apremilast-d5

• CAS No. 1258597-47-5
• C22H19D5N2O7S M.W. 465.53

Apremilast Impurity 12

• C12H16O4S M.W. 256.32

Apremilast Impurity 13

• C22H24N2O8S M.W. 476.50

O-Desmethyl Apremilast Glucuronide Sodium Salt

• CAS No. 1384814-89-4 (free base)
• C27H29N2O13S. Na M.W. 621.60 22.99

Apremilast Impurity 9

• C19H18N2O7S M.W. 418.43

Apremilast Impurity 6

• C17H16N2O6S M.W. 376.39

R-Apremilast

• C22H24N2O7S M.W. 460.51

Apremilast Impurity E

• C22H24N2O7S M.W. 460.51

Apremilast Impurity B

• CAS No. 15371-06-9
• C10H9NO5 M.W. 223.19

Apremilast Impurity 3

• CAS No. N/A
• C23H26N2O8S M.W. 490.54

Apremilast Impurity 1

• C12H19NO4S M.W. 273.35

Apremilast Impurity C

• C21H21NO7S M.W. 431.47

Apremilast Impurity F

• C20H24N2O7S M.W. 436.49

Apremilast Impurity 4 (O-Desmethyl Apremilast)

• CAS No. 1384441-38-6
• C21H22N2O7S M.W. 446.47

Apremilast Impurity 7

• C20H20N2O7S M.W. 432.46

Apremilast Impurity 10

• CAS No. 2096492-41-8
• C22H26N2O8S M.W. 478.52

Apremilast Impurity 11

• CAS No. 635705-72-5
• C20H22N2O6S M.W. 418.46

Avanafil working standardCAS: 330784-47-9MF:C23H26ClN7O3MW: 483.96 Avanafil Impurity A, B, C, D, E, F, G. Avanafil Related compound A, B, C, D, E, F. G. AvanafilCAS No. 330784-47-9C23H26ClN7O3 M.W. 483.96 Avanafil Avanafil Impurity 8 ((R)-Avanafil)CAS No. N/AC23H26ClN7O3 M.W. 483.96 Avanafil Impurity 8 ((R)-Avanafil) Avanafil Impurity 9C18H17ClN6O3 M.W. 400.83 Avanafil Impurity 9Avanafil Related Compound 1CAS No. 330785-82-5C16H18ClN3O4SM.W. 383.86 Avanafil Related Compound 1 Avanafil Related Compound 2C19H19ClN6O2S M.W. 430.92 Avanafil Related Compound 2 Avanafil Related Compound 3C19H19ClN6O3SM.W. 446.92 Avanafil Related Compound 3Avanafil Impurity 10C23H25Cl2N7O3M.W. 518.41 Avanafil Impurity 10 Avanafil Impurity 11C23H30ClN7O3M.W. 487.99 Avanafil Impurity 11 Avanafil Impurity 12C28H30ClN9O3M.W. 576.06 Avanafil Impurity 12Avanafil Impurity 13CAS No. 759408-08-7C5H11N3M.W. 113.16 Avanafil Impurity 13 Avanafil Metabolite (M-4) IC23H26ClN7O4 M.W. 499.96 Avanafil Metabolite (M-4) I Avanafil-13CD3C22H23ClN7O313CD3M.W. 487.97 Avanafil-13CD3Avanafil Metabolite (M-4) IIC23H26ClN7O4M.W. 499.96 Avanafil Metabolite (M-4) II Avanafil Metabolite (M-16)C23H26ClN7O5M.W. 515.96 Avanafil Metabolite (M-16) Avanafil Impurity 14 (Dechloro-(R)-Avanafil)C23H27N7O3M.W. 449.52.]Avanafil Impurity 14 (Dechloro-(R)-Avanafil)Avanafil Impurity 15C24H24ClN7O4M.W. 509.96 Avanafil Impurity 15 Avanafil Impurity 16C36H40Cl2N8O7 M.W. 767.68 Avanafil Impurity 16 Avanafil Impurity 17CAS No. 330786-34-0C14H14ClN3O3SM.W. 339.80 Avanafil Impurity 17Avanafil Impurity 18C15H16ClN3O4 M.W. 337.77 .

Azilsertan working standardCAS:147403-03-0MF: C25H20N4O5MW:456.46 Azilsertan Impurity -A, B, C, D, E, F, G. Azilsertan Related Compounds-A, B, C, D, E, F, G. AzilsartanCAS No. 147403-03-0C25H20N4O5M.W. 456.46 Azilsartan Azilsartan Impurity ICAS No. 139481-33-7C23H17N3O3M.W. 383.41 Azilsartan Impurity I Azilsartan Impurity JC24H18N4O5M.W. 442.43 Azilsartan Impurity JAzilsartan Impurity KCAS No. 1442400-68-1C23H16N4O5M.W. 428.41 Azilsartan Impurity K Azilsartan Impurity ECAS No. 136285-69-3C23H21N3O2M.W. 371.44 Azilsartan Impurity E Azilsartan Impurity FCAS No. 1863930-34-0C23H23N3OM.W. 389.46 Azilsartan Impurity FAzilsartan Impurity GC23H24N4O3M.W. 404.47 Azilsartan Impurity G Azilsartan Impurity HC23H21N4O4 M.W. 417.45 Azilsartan Impurity H Azilsartan Impurity NC22H17N3O4 M.W. 387.40 Azilsartan Impurity NAzilsartan Impurity OC23H19N3O4 M.W. 401.43 Azilsartan Impurity O Azilsartan Impurity PC25H22N2O5 M.W. 430.46 Azilsartan Impurity P Azilsartan-d4CAS No. N/AC25H16N4O5D4M.W. 460.49 Azilsartan-d4Azilsartan Impurity QC29H25N3O7 M.W. 527.54 Azilsartan Impurity Q Azilsartan Impurity RC35H28N4O1M.W. 680.63 Azilsartan Impurity R Azilsartan Ethyl ImpurityCAS No. N/AC27H24N4O5M.W. 484.52 Azilsartan Ethyl ImpurityAzilsartan Ethyl Ring-opening ImpurityCAS No. N/AC29H30N4O6 M.W. 530.59 Azilsartan Ethyl Ring-opening Impurity Azilsartan Impurity 1CAS No. 139481-44-0C25H21N3O3M.W. 411.46 Azilsartan Impurity 1 Azilsartan Impurity 2CAS No. 147403-65-4C25H24N4O4 M.W. 444.49 Azilsartan Impurity 2Azilsartan Impurity 3C22H22N4O3 M.W. 390.45 Azilsartan Impurity 3 Azilsartan Impurity 4C24H19N3O3M.W. 397.43

Azithromycin dihydrate working StandardCAS :117772-70-0MF:C38H72N2O122 . H2O Azithromycin dihydrate Impurity -A, B, C, D, E, F, G. Azithromycin dihydrate Related Compounds-A, B, C, D, E, F, G. Azithromycin EP Impurity I (N-Desmethyl Azithromycin) Azithromycin Impurity HCAS No. 612069-30-4C45H77N3O15SM.W. 932.19 Azithromycin Impurity HAzithromycin Impurity KC38H70N2O1M.W. 762.99 Azithromycin Impurity K Azithromycin EP Impurity L (Azithromycin N-Oxide)CAS No. 90503-06-3C38H72N2O13M.W. 765.00 Azithromycin EP Impurity L (Azithromycin N-Oxide) Azithromycin Impurity BCAS No. 307974-61-4C38H72N2O11M.W. 733.00 Azithromycin Impurity BAzithromycin Impurity C Azithromycin Impurity C Azithromycin Impurity DC38H72N2O13M.W. 765.00 Azithromycin Impurity D Azithromycin EP Impurity FCAS No. 612069-28-0C38H70N2O13M.W. 762.99 Azithromycin EP Impurity FAzithromycin Impurity OCAS No. 763924-54-5C39H74N2O12M.W. 763.04 Azithromycin Impurity O Azithromycin EP Impurity ECAS No. 612069-27-9C36H68N2O12 M.W. 720.94 Azithromycin EP Impurity E Azithromycin EP Impurity GCAS No. 612069-31-5C44H76N2O14S M.W. 889.17 Azithromycin EP Impurity GAzithromycin EP Impurity JCAS No. 117693-41-1C30H58N2O9M.W. 590.80 Azithromycin EP Impurity J Azithromycin EP Impurity MCAS No. 765927-71-7C37H68N2O13M.W. 748.95 Azithromycin EP Impurity M Azithromycin EP Impurity NCAS No. 612069-25-7C36H65NO13 M.W. 719.91 Azithromycin EP Impurity NAzathramycin (Desmethyl Azithromycin)CAS No. 76801-85-9C37H70N2O12M.W. 734.98 Azathramycin (Desmethyl Azithromycin) AzithromycinCAS No. 83905-01-5C38H72N2O12M.W. 749.00

Bisacodyl working standardCAS: 603-50-9MF: C22H19NO4 Bisacodyl Impurity - A, B, C, D, E, F, G. Bisacodyl Related Compound - A, B, C, D, E, F, G. BisacodylCAS No. 603-50-9C22H19NO4 M.W. 361.40 Bisacodyl Bisacodyl Impurity DCAS No. 10040-45-6C18H13NO8S2 2Na M.W. 435.43 2x22.99 Bisacodyl Impurity D Bisacodyl Phenol Glucuronide-d8CAS No. N/AC24H15NO8D8M.W. 461.50 Bisacodyl phenol glucuronide Bisacodyl Impurity AC18H15NO2M.W. 277.33 Bisacodyl Impurity A Bisacodyl Impurity BCAS No. 16985-05-0C18H15NO2M.W. 277.33 Bisacodyl Impurity BBisacodyl Impurity CCAS No. 72901-16-7C20H17NO3M.W. 319.36 Bisacodyl Impurity C Bisacodyl Impurity ECAS No. 111664-35-8C22H19NO4M.W. 361.40

With our customized packaging solutions, buyers can get packages made according to their specific requirements. Furthermore, they can rest assured the packaging is industrial grade. The organization has laid its foundation stone in Navi Mumbai(India) and covers a wide area for catering to the customers.

 

Febuxostat  working standard

Febuxostat Impurity A, B, C, D, E, F, G, H.

Febuxostat Related compound A, B, C, D, E, F, G, H.

Febuxostat

• CAS No. 144060-53-7
• C16H16N2O3S M.W. 316.38

Febuxostat Impurity 3

• CAS No. 160844-75-7
• C18H20N2O3S M.W. 344.4

Febuxostat Impurity 7

• CAS No. 1350352-70-3
• C16H18N2O4S M.W. 334.39

Febuxostat Impurity 10

• C16H16N2O4S M.W. 332.38

Febuxostat Impurity 12

• C9H2N4O2 M.W. 198.14

Febuxostat Impurity 15

• C15H14N2O3S M.W. 302.35

Febuxostat Impurity 18

• C15H15NO4 M.W. 273.29

Febuxostat-d9

• CAS No. 1246819-50-0
• C16H7D9N2O3S M.W. 325.43

Febuxostat metabolite 67M-1

• C16H16N2O4S M.W. 332.38

Febuxostat Impurity 57

• CAS No. 1657014-33-9
• C16H16N2O3S M.W. 316.38

Febuxostat Impurity 23

• C15H13NO5S M.W. 319.33

Febuxostat Impurity 25

• CAS No. 2095166-41-7
• C18H21NO5S M.W. 363.43

Febuxostat Impurity 29

• C15H14N2O3S M.W. 302.35

Febuxostat Impurity 32

• C12H11NO3S M.W. 249.28

Febuxostat Impurity 35

• C12H9NO4S M.W. 263.27

Febuxostat Impurity 37

• C14H14N2O4S M.W. 306.34

Febuxostat Impurity 40

• CAS No. 7133-90-6
• C7H7NOS M.W. 153.20

Febuxostat Impurity 43

• CAS No. 5203-15-6
• C11H13NO M.W. 175.23

Febuxostat Impurity 27

• C14H18O M.W. 202.30

Febuxostat Impurity 30

• CAS No. 34133-58-9
• C8H4N2O M.W. 144.13

Febuxostat Impurity 33

• C17H21NO3S M.W. 319.42

Febuxostat Impurity 26 (2-(3-carboxy-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid)

• CAS No. 1239233-87-4
• C16H17NO5S M.W. 335.37

Febuxostat Impurity 38

• C14H12N2O3S M.W. 288.32

Febuxostat Impurity 41

• C12H12N2O M.W. 200.24

Febuxostat Impurity 44

• C12H12N2O M.W. 200.24

Febuxostat Impurity 46

• CAS No. 528607-60-5
• C12H13NO3 M.W. 219.24

Febuxostat Impurity 50

• C12H15NO4 M.W. 237.26

Febuxostat Impurity 53

• C8H8N2OS2 M.W. 212.29

Febuxostat Impurity 56

• C12H10N2O4S M.W. 278.28

Febuxostat Impurity 4

• CAS No. 1239233-86-3
• C16H18N2O4S M.W. 334.39

Febuxostat Impurity (Dimethyl 2, 2'-(4-isobutoxy-1, 3-phenylene)bis(4-methylthiazole-5-carboxylate))

• CAS No. 1330632-47-7
• C22H24N2O5S2 M.W. 460.57

Febuxostat Impurity 54

• C12H9NO5S M.W. 279.27

Febuxostat Impurity 51

• CAS No. 1346238-10-5
• C19H22N2O3S M.W. 358.46

Febuxostat Impurity 47

• CAS No. 161718-85-0
• C12H14N2O2 M.W. 218.26

Febuxostat Impurity 45

• CAS No. 1229019-33-3
• C11H10N2O M.W. 186.21

Febuxostat Impurity 42

• CAS No. 100118-38-5
• C12H14O5 M.W. 238.24

Febuxostat Impurity 39

• CAS No. 161797-99-5
• C13H13NO3S M.W. 263.31

Febuxostat Impurity 36

• C21H20N2O6S2 M.W. 460.52

Febuxostat Impurity 34

• C15H17NO3S M.W. 291.37

Wide distribution network, exceptional connectivity, reliable transportation facilities are some of the attributes that help us in delivering the goods on time. To ensure maximum quality retention, we package our products in industrial-grade packaging materials that can brave mechanical damages and logistical jostling. Additionally, they are labeled to impart product information.

 

C9H17NO2. HCl M.W. 171.24 36.46

Gabapentin Impurity A, B, C, D, E, F, G, H.

Gabapentin Related compound A, B, C, D, E, F, G, H.

 

Gabapentin HCl working standard

• CAS No. 60142-96-3

Gabapentin EP Impurity B Potassium Salt (Potassium 1-Cyanocyclohexaneacetate)

• CAS No. 133481-12-6
• C9H12NO2. K M.W. 166.20 39.10

Gabapentin EP Impurity D

• CAS No. 1076198-17-8
• C18H29NO3 M.W. 307.44

Gabapentin Enarcarbil

• CAS No. N/A
• C16H27NO6 M.W. 329.40

Gabapentin Impurity 2

• CAS No. 4355-11-7
• C10H16O4 M.W. 200.23

Gabapentin Impurity 5

• CAS No. 99189-60-3
• C10H17NO3 M.W. 199.25

Gabapentin EP Impurity A

• C9H15NO M.W. 153.23

Gabapentin Impurity (2-(3-Oxobutyl)-2-Azaspiro-(4, 5)-decan-3-one)

• C13H21NO2 M.W. 223.32

Gabapentin Enarcarbil-d7

• CAS No. N/A
• C16H20NO6D7 M.W. 336.44

Gabapentin Impurity 3

• CAS No. 1130-32-1
• C10H15NO2 M.W. 181.24

Gabapentin Methyl Ester

• CAS No. 138799-98-1
• C10H19NO2 M.W. 185.27

Gabapentin EP Impurity E

• C9H14O4 M.W. 186.21

Gabapentin EP Impurity G

• CAS No. 1500558-49-5
• C10H19NO2 M.W. 185.27

Gabapentin Impurity 1

• CAS No. 4355-15-1
• C12H13N3O2 M.W. 231.26

Gabapentin Impurity 4

• C21H37NO12 M.W. 495.53

 

Estradiol working StandardFormula C22H22F3NMolar mass 357.412 Estradiol Impurity - A, B, C, D, E, F, G. Estradiol Related Compound - A, B, C, D, E, F, G. 2-Hydroxy Ethynyl Estradiol 3-Cypionate EstradiolC26H36O3M.W. 396.58 3-Cypionate Estradiol6-alpha-Hydroxy EstradiolCAS No. 1229-24-9C18H24O3M.W. 288.39 6-alpha-Hydroxy Estradiol Estradiol Valerate EP Impurity CCAS No. 95959-20-9C23H30O3M.W. 354.49 Estradiol Valerate EP Impurity C Ethinyl Estradiol EP Impurity GCAS No. 38002-18-5C20H22O3M.W. 310.40 Ethinyl Estradiol EP Impurity G17-alpha-Ethynyl Estradiol-3-SulfateCAS No. 24560-70-1C20H24O5SM.W. 376.48 17-alpha-Ethynyl Estradiol-3-Sulfate Ethynylestradiol EP Impurity E (6-alpha-Hydroxy Ethynylestradiol)CAS No. 27521-34-2C20H24O3M.W. 312.41 Ethynylestradiol EP Impurity E (6-alpha-Hydroxy Ethynylestradiol) Ethynylestradiol EP Impurity F (6-beta-Hydroxy Ethynylestradiol)CAS No. 56324-28-8C20H24O3M.W. 312.41 Ethynylestradiol EP Impurity F (6-beta-Hydroxy Ethynylestradiol)6, 7-Didehydro Ethynyl Estradiol (Impurity I)CAS No. 67703-68-8C20H22O2 M.W. 294.40 6, 7-Didehydro Ethynyl Estradiol (Impurity I) Estradiol-d3 GlucuronideC24H29O8D3M.W. 451.54 Estradiol-d3 Glucuronide 4-Methylestradiol ValerateC24H34O3M.W. 370.54 4-Methylestradiol ValerateDelta-9(11)-Estradiol (Estradiol Hemihydrate Impurity D)CAS No. 791-69-5C18H22O2M.W. 270.37 Delta-9(11)-Estradiol (Estradiol Hemihydrate Impurity D) 6-beta-Hydroxy EstradiolCAS No. 3583-03-7C18H24O3M.W. 288.39 6-beta-Hydroxy Estradiol 17-Butyrate EstradiolCAS No. 18069-79-9C22H30O3 M.W. 342.48

Gefitinib Working StandardCAS No.: 184475-35-2Molecular Formula: C22H24ClFN4O3Molecular Weight: 446.91 Gefitinib Impurity - A, B, C, D, E, F, G. Gefitinib Related Product - A, B, C, D, E, F, G. Gefitinib-d6CAS No. 1228664-49-0C22H18ClFN4O3D6 M.W. 452.95.Gefitinib-d6 O-Desmethyl GefitinibCAS No. 847949-49-9C21H22ClFN4O3M.W. 432.88.O-Desmethyl Gefitinib O-Desmorpholinopropyl GefitinibCAS No. 184475-71-6C15H11ClFN3O2M.W. 319.73.O-Desmorpholinopropyl Gefitinib3-Desmorpholinyl-3-Hydroxyethylamino GefitinibCAS No. 847949-56-8C20H22ClFN4O3 M.W. 420.87.3-Desmorpholinyl-3-Hydroxyethylamino Gefitinib 4-Defluoro-4-Hydroxy GefitinibCAS No. 847949-50-2C22H25ClN4O4M.W. 444.92.4-Defluoro-4-Hydroxy Gefitinib Gefitinib Impurity I TriHClCAS No. 1502829-45-9 (free base)C29H37ClFN5O4. 3 HClM.W. 574.10 3 36.46.Gefitinib Impurity I TriHClGefitinib Impurity IICAS No. 153437-78-6C16H13ClFN3O2 M.W. 333.75.Gefitinib Impurity II Gefitinib Impurity IV HClC22H24Cl2N4O3. HCl M.W. 463.37 36.46.Gefitinib Impurity IV HCl Gefitinib Impurity 10CAS No. 230955-75-6C11H9ClN2O3 M.W. 252.66.Gefitinib Impurity 10Gefitinib Impurity VIICAS No. 179688-53-0C11H10N2O4 M.W. 234.21.Gefitinib Impurity VII Gefitinib Impurity (6, 7-Dimethoxy-3, 4-dihydroquinazoline-4-one)CAS No. 13794-72-4C10H10N2O3 M.W. 206.20.Gefitinib Impurity (6, 7-Dimethoxy-3, 4-dihydroquinazoline-4-one) Gefitinib Impurity IIICAS No. 95-76-1C6H5Cl2N M.W. 162.02.Gefitinib Impurity IIIGefitinib Impurity VCAS No. 367-21-5C6H5ClFN M.W. 145.56.Gefitinib Impurity V Gefitinib Impurity VICAS No. 7357-67-7C7H14ClNO M.W. 163.65.Gefitinib Impurity VI Gefitinib Impurity (3-Hydroxy-4-methoxybenzonitrile)CAS No. 52805-46-6C8H7NO2 M.W. 149.15.Gefitinib Impurity (3-Hydroxy-4-methoxybenzonitrile)Gefitinib Impurity VIIICAS No. 788136-89-0C17H13ClFN3O3 M.W. 361.76.Gefitinib Impurity VIII Gefitinib Impurity 1CAS No. 246512-

Glibenclamide Working StandardCAS No.: 10238-21-8Molecular Formula: C23H28ClN3O5SMolecular Weight: 494.01 Glibenclamide Impurity - A, B, C, D, E, F, G. Glibenclamide Related Product - A, B, C, D, E, F, G. Glyburide-d3CAS No. 10238-21-8 (non-d)C23H25ClN3O5SD3 M.W. 497.03.Glyburide-d3 Glyburide-d11CAS No. 1189985-02-1C23H17ClN3O5SD11 M.W. 505.08.Glyburide-d11 (rac)-cis-3-Hydroxy GlyburideCAS No. 23074-02-4C23H28ClN3O6SM.W. 510.01.(rac)-cis-3-Hydroxy Glyburiderac trans-4-Hydroxy GlyburideCAS No. 23155-04-6C23H28ClN3O6S M.W. 510.01.rac trans-4-Hydroxy Glyburide (rac)-trans-3-Hydroxy GlyburideC23H28ClN3O6S M.W. 510.01.(rac)-trans-3-Hydroxy Glyburide Glibenclamide (Glyburide) Impurity ACAS No. 16673-34-0C16H17ClN2O4SM.W. 368.84.Glibenclamide (Glyburide) Impurity AGlibenclamide (Glyburide) Impurity BCAS No. 21165-77-5C18H19ClN2O6S M.W. 426.88.Glibenclamide (Glyburide) Impurity B Glibenclamide (Glyburide) EP Impurity CCAS No. 10079-35-3C22H34N4O4S M.W. 450.60.Glibenclamide (Glyburide) EP Impurity C 5-Chloro-2-Methoxybenzoic AcidCAS No. 3438-16-2C8H7ClO3 M.W. 186.60.5-Chloro-2-Methoxybenzoic Acid5-Chloro-N-(2-Phenylethyl)-2-Methoxy-BenzamideCAS No. 33924-49-1C16H16ClNO2 M.W. 289.76.5-Chloro-N-(2-Phenylethyl)-2-Methoxy-Benzamide Glyburide Impurity DC21H26ClN3O5S M.W. 467.98.Glyburide Impurity D Glibenclamide (Glyburide) EP Impurity ECAS No. 57334-89-1C23H27Cl2N3O5S M.W. 528.46.Glibenclamide (Glyburide) EP Impurity EGlibenclamide (Glyburide) Impurity 1C22H33N3O4S M.W. 435.59.Glibenclamide (Glyburide) Impurity 1 rac-cis-3-Hydroxy-Glyburide-13C, d3CAS No. 1217848-91-313C C22H25D3ClN3O6S M.W. 514.01.rac-cis-3-Hydroxy-Glyburide-13C, d3 rac-trans-3-Hydroxy-Glyburide-13C, d3CAS No. 1217639-30-913C C22H25D3ClN3O6S M.W. 514.01.rac-trans-3-Hydroxy-Glyburide-13C, d3

Etodolac working StandardMolar mass: 287.35 g/molCAS ID: 41340-25-4Formula: C17H21NO3 Etodolac Impurity - A, B, C, D, E, F, G. Etodolac Related Compound - A, B, C, D, E, F, G. N-Methyl EtodolacC18H23NO3M.W. 301.39 1-Isopropyl Etodolac 1-Propyl EtodolacCAS No. 57816-83-8C18H23NO3 M.W. 301.39 1-Propyl Etodolac 8-Isopropyl EtodolacCAS No. 57917-63-2C18H23NO3M.W. 301.39 8-Isopropyl Etodolac8-Propyl EtodolacCAS No. 57817-27-3C18H23NO3M.W. 301.39 8-Propyl Etodolac Etodolac EP Impurity CCAS No. 109518-47-0C16H19NO3M.W. 273.33 Etodolac EP Impurity C Etodolac Impurity IC27H32N2O3 M.W. 432.57 Etodolac Impurity IEtodolac Impurity LC17H21NO3M.W. 287.36 Etodolac Impurity L Etodolac Impurity J (Decarboxy Etodolac)CAS No. N/AC16H21NOM.W. 243.35 Etodolac Impurity J (Decarboxy Etodolac) 6-Hydroxy EtodolacCAS No. 101901-06-8C17H21NO4 M.W. 303.36 6-Hydroxy EtodolacEtodolac EP Impurity K CAS No. 122188-02-7C18H23NO3 M.W. 301.39 Etodolac EP Impurity K Etodolac Impurity 1C12H18O5 M.W. 242.27 Etodolac Impurity 1 Etodolac EP Impurity H (7-ethyl trypophopl)CAS No. 41340-36-7C12H15NOM.W. 189.26 Etodolac EP Impurity H (7-ethyl trypophopl)Etodolac Impurity 2C17H22BrNO2 M.W. 352.27 Etodolac Impurity 2 Etodolac Impurity 3C18H25NO2 M.W. 287.40 Etodolac Impurity 3 Etodolac Acyl GlucuronideCAS No. 79541-43-8C23H29NO9M.W. 463.49 Etodolac Acyl Glucuroniderac-EtodolacCAS No. 41340-25-4C17H21NO3 M.W. 287.36 rac-Etodolac (S)-EtodolacC17H21NO3M.W. 287.36

Ezetimibe working StandardCAS ID: 163222-33-1Molar mass: 409.4 Formula: C24H21F2NO3 Ezetimibe Impurity - A, B, C, D, E, F, G. Ezetimibe Related Compound - A, B, C, D, E, F, G. 4-O-Benzyl Ezetimibe ent-EzetimibeCAS No. 1376614-99-1C24H21F2NO3M.W. 409.44 ent-Ezetimibe3-O-Acetyl EzetimibeCAS No. 190448-46-5C26H23F2NO4 M.W. 451.47 3-O-Acetyl Ezetimibe Ezetimibe DiacetateC28H25F2NO5 M.W. 493.51 Ezetimibe Diacetate Ezetimibe Tetrahydropyran Impurity (SCH59566)CAS No. 1296129-15-1C24H21F2NO3 M.W. 409.44 Ezetimibe Tetrahydropyran Impurity (SCH59566)Ezetimibe Impurity 1 ((3'S, 3R, 4S)-Desfluoro Ezetimibe)CAS No. 190595-66-5C24H22FNO3M.W. 391.44 Ezetimibe Impurity 1 ((3'S, 3R, 4S)-Desfluoro Ezetimibe) Ezetimibe Azetidinone Ring-opened ImpurityCAS No. 1391053-63-6C24H23F2NO4M.W. 427.45 Ezetimibe Azetidinone Ring-opened Impurity Ezetimibe Phenoxy GlucuronideCAS No. 190448-57-8C30H29F2NO9 M.W. 585.56 Ezetimibe Phenoxy GlucuronideEzetimibe (3R, 4R, 3'R)-IsomerCAS No. 1593542-96-1C24H21F2NO3 M.W. 409.44 Ezetimibe (3R, 4R, 3'R)-Isomer Ezetimibe (3S, 4S, 3'S)-IsomerCAS No. 1593543-07-7C24H21F2NO3M.W. 409.43 Ezetimibe (3S, 4S, 3S)-Isomer Ezetimibe Fluoro IsomerCAS No. 1798008-25-9C24H21F2NO3M.W. 409.44 Ezetimibe Fluoro IsomerEzetimibe (3S, 4R, 3'S)-IsomerCAS No. 1593543-00-0C24H21F2NO3 M.W. 409.44 Ezetimibe (3S, 4R, 3'S)-Isomer Ezetimibe Impurity ((S)-4-Phenyloxazolidin-2-one)CAS No. 99395-88-7C9H9NO2M.W. 163.18 Ezetimibe Impurity ((S)-4-Phenyloxazolidin-2-one) Ezetimibe Impurity 14CAS No. 1185883-40-2C33H30F2N2O5M.W. 572.61

Imatinib Working StandardCAS No.: 152459-95-5Molecular Formula: C29H31N7OMolecular Weight: 493.62 Imatinib Impurity - A, B, C, D, E, F, G. Imatinib Related Product - A, B, C, D, E, F, G. Imatinib-d8CAS No. 1092942-82-9C29H23N7OD8 M.W. 501.66.Imatinib-d8 N-Desmethyl ImatinibCAS No. 404844-02-6C28H29N7O M.W. 479.59.N-Desmethyl Imatinib N-Desmethyl Imatinib-d8CAS No. 1185103-28-9C28H21N7OD8 M.W. 487.64.N-Desmethyl Imatinib-d8Imatinib Mesylate Impurity D (Imatinib Piperazine N-Oxide)CAS No. 571186-91-9C29H31N7O2 M.W. 509.62.Imatinib Mesylate Impurity D (Imatinib Piperazine N-Oxide) Imatinib Mesylate Impurity A (Imatinib Pyridine N-Oxide)CAS No. 571186-92-0C29H31N7O2 M.W. 509.62.Imatinib Mesylate Impurity A (Imatinib Pyridine N-Oxide) Imatinib MesylateCAS No. 220127-57-1C29H31N7O.CH4O3S M.W. 493.62 96.11.Imatinib MesylateImatinib Mesylate Impurity BCAS No. 571186-93-1C29H31N7O3M.W. 525.61.Imatinib Mesylate Impurity B Imatinib Mesylate Impurity CCAS No. 938082-57-6C29H31N7O2 M.W. 509.62.Imatinib Mesylate Impurity C Imatinib Impurity ECAS No. 1365802-18-1C52H48N12O2 M.W. 873.04.Imatinib Impurity EImatinib meta-Methyl-Piperazine ImpurityCAS No. 1246819-59-9C29H31N7O M.W. 493.62.Imatinib meta-Methyl-Piperazine Impurity Imatinib Impurity BCAS No. 404844-11-7C24H20ClN5O M.W. 429.91.Imatinib Impurity B Imatinib Impurity CCAS No. 152460-10-1C16H15N5 M.W. 277.33.Imatinib Impurity CImatinib Impurity 16CAS No. 152460-09-8C16H13N5O2 M.W. 307.31.Imatinib Impurity 16 (2E)-3-(Dimethylamino)-1-(3-pyridyl)prop-2-en-1-one (Impurity of Nilotinib)CAS No. 123367-26-0C10H12N2O M.W. 176.22.(2E)-3-(Dimethylamino)-1-(3-pyridyl)prop-2-en-1-one (Impurity of Nilotinib) Imatinib Impurity AC17H15N5OM.W. 305.34.Imatinib Impurity AImatinib Related Compound (4-(4-Methylpiperazin-1-yl)methyl)benzoic Acid)CAS No. 106261-48-7C13H18N2O2M.W. 234.30.Imatinib Related

Lisinopril working StandardCAS No.: 76547-98-3Molecular Formula: C21H31N3O5Molecular Weight: 405.50 Lisinopril Impurity - A, B, C, D, E, F, G. LisinoprilRelated Compound - A, B, C, D, E, F, G. Lisinopril Impurity C ((S, S, S)-Diketopiperazine) Lisinopril EP Impurity IC31H41N3O7M.W. 567.68 Lisinopril EP Impurity ILisinopril Impurity G (Dimer Impurity)CAS No. 1356839-89-8C42H60N6O9M.W. 792.98 Lisinopril Impurity G (Dimer Impurity) LisinoprilCAS No. 76547-98-3C21H31N3OM.W. 405.50]Lisinopril CAS No. NAC10H13NO2M.W. 179.22 Lisinopril Impurity ACAS No. NAC21H29N3O4M.W. 387.48 Lisinopril Impurity D CAS No. 85955-59-5C21H31N3O5M.W. 405.50 Lisinopril EP Impurity E CAS No. NAC21H37N3O5M.W. 411.55 Lisinopril EP Impurity FLisinopril CPP Lysine ImpurityCAS No. 138247-43-5C16H24N2O4M.W. 308.38 Lisinopril CPP Lysine Impurity C37H53N5O8 M.W. 695.86

Mesalazine / Mesalamine Working StandardCAS No.: 89-57-6Molecular Formula: C7H7NO3Molecular Weight: 153.14 Mesalazine / Mesalamine Impurity - A, B, C, D, E, F, G. Mesalazine / Mesalamine Related Product - A, B, C, D, E, F, G. N-Acetyl MesalamineCAS No. 51-59-2C9H9NO4 M.W. 195.18 N-Acetyl Mesalamine CAS No. 1309935-89-4C9H6NO4D3M.W. 198.19 N-Acetyl Mesalamine-d3 C8H7NO5 M.W. 197.15 Mesalamine ImpurityCAS No. 1309283-32-6C7H4NO3D3 M.W. 156.16 Mesalamine-d3 C10H11NO4 M.W. 209.20 N-Propionyl mesalamine C9H9NO4 M.W. 195.18 N-Acetyl -4-aminosalicyclic AciCAS No. 93968-79-7C9H6D3NO4 M.W. 198.19 N-Acetyl-d3 Mesalamine C15H19NO9 M.W. 357.32 5-(N--D-Glucopyranosylamino)acetylsalicylic acid Mesalamine-13C6 HClC7H7NO3 . HCl M.W. 159.07 36.46 Mesalamine-13C6 HClCAS No. 859964-08-2C8H7NO5 M.W. 197.15 Mesalamine Impurity CAS No. 112725-89-0 (free base)C7H8N2O3. 2 HCl M.W. 168.15 2 36.46 Mesalamine Impurity J DiHCl C14H12N2O5 M.W. 288.26 Mesalamine Impurity 2CAS No. 95-55-6C6H7NO M.W. 109.13 Mesalamine Impurity C CAS No. 570-23-0C7H7NO3 M.W. 153.14 Mesalamine EP Impurity F CAS No. 490-79-9C7H6O4 M.W. 154.12 Mesalamine Impurity GCAS No. 69-72-7C7H6O3 M.W. 138.12 Mesalamine Impurity H CAS No. 118-91-2C7H5ClO2 M.W. 156.57 Mesalamine EP Impurity L (Mefenamic Acid EP Impurity C) CAS No. 2516-96-3C7H4ClNO4 M.W. 201.57 Mesalamine Impurity MCAS No. 887256-40-8C13H11NO6SM.W. 309.30 Mesalamine Impurity P N

Linagliptin working StandardMolar mass: 472.54Formula: C25H28N8O2 Linagliptin Impurity - A, B, C, D, E, F, G. Linagliptin Related Compound - A, B, C, D, E, F, G. LinagliptinCAS No. 668270-12-0C25H28N8O2 M.W. 472.55 Linagliptin C20H18N6O3M.W. 390.40 Linagliptin Impurity DC19H26N4O2 M.W. 342.44 Linagliptin Impurity FLinagliptin Impurity GC36H40N10O4 M.W. 676.78 Linagliptin Impurity G C31H32N10O2M.W. 576.67 Linagliptin Impurity N C15H20N4M.W. 256.35 Linagliptin Impurity MCAS No. 1638744-06-5C25H29BrN8O2M.W. 553.47 Linagliptin Impurity 4Linagliptin Impurity 5CAS No. N/AC25H28N8O2M.W. 472.55 Linagliptin Impurity 5 CAS No. N/AC50H56N16O4. 3 HClM.W. 945.11 3 36.46 Linagliptin Impurity 7 CAS No. N/AC26H28N8O3M.W. 500.56 Linagliptin Impurity 8 C27H33N9O2M.W. 515.62 Linagliptin Impurity 9CAS No. 668270-11-9C25H28N8O2M.W. 472.55 Linagliptin Impurity 10 (S-Isomer) C23H26N8O4M.W. 478.51 Linagliptin Impurity I C25H26N8O3 M.W. 486.54 Linagliptin Impurity IICAS No. N/AC51H56N16O4 M.W. 957.12

Loperamide working StandardCAS ID: 53179-11-6Formula: C29H33ClN2O2Molar mass 477.037 Loperamide Impurity - A, B, C, D, E, F, G. LoperamideRelated Compound - A, B, C, D, E, F, G. Loperamide HClCAS No. 34552-83-5C29H33ClN2O2.HCl M.W. 513.51 Loperamide HCl Loperamide EP Impurity FC29H33ClN2O3M.W. 493.05 Loperamide EP Impurity F Loperamide EP Impurity GC29H33ClN2O3 M.W. 493.05 Loperamide EP Impurity GLoperamide EP Impurity HCAS No. 61299-42-1C29H31ClN2O M.W. 459.03 Loperamide EP Impurity H Loperamide EP Impurity CCAS No. 39512-49-7C11H14ClNO M.W. 211.69 Loperamide EP Impurity C Desmethyl LoperamideCAS No. 66164-07-6C28H31ClN2O2 M.W. 463.02 Loperamide N-Oxide Loperamide EP Impurity ACAS No. 1391052-94-0C35H37ClN2O2M.W. 553.14 Loperamide EP Impurity ALoperamide ImpurityCAS No. 37743-18-3C18H20NO . BrM.W. 266.37 79.90 Loperamide Impurity Loperamide EP Impurity B ChlorideC47H53ClN3O3. Cl M.W. 743.41 35.45 Loperamide EP Impurity B Chloride Loperamide EP Impurity DCAS No. 37743-41-2C29H34N2O2 M.W. 442.60 Loperamide EP Impurity DLoperamide EP Impurity E HClCAS No. 1426322-82-8C38H40Cl2N2O3. HCl M.W. 643.66 36.46

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Metformin Impurity A, B, C, D, E, F, G, H.

Metformin Related compound A, B, C, D, E, F, G, H.

Metformin HCl working standard

• CAS No. 1115-70-4
• C4H11N5. HCl M.W. 129.17 36.46

N, N-Dimethyl Melamine

• C6H12N8 M.W. 196.22

Metformin Impurity F

• C4H12N6 M.W. 144.18

Metformin Hydroxy Analog 2

• C4H10N4O M.W. 130.15

Metformin EP Impurity C

• CAS No. 1985-46-2
• C5H10N6 M.W. 154.18

Metformin Hydroxy Analog 1

• C2H6N4O M.W. 102.10

Metformin EP Impurity A (Cyanoguanidine)

• CAS No. 461-58-5
• C2H4N4 M.W. 84.08

Metformin EP Impurity E Sulfate

• CAS No. 36801-25-9
• C3H9N5. H2O4S M.W. 115.14 98.08

Metformin EP Impurity B Dinitrate

• CAS No. 4405-08-7 (free base)
• C4H8N8. 2 HNO3 M.W. 168.16 2 63.01

Metformin EP Impurity F HCl (Dimethylamine HCl)

• CAS No. 506-59-2
• C2H7N. HCl M.W. 45.08 36.46

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Metoprolol working standard

Metoprolol Impurity A, B, C, D, E, F, G, H.

Metoprolol Related compound A, B, C, D, E, F, G, H.

alpha-Hydroxy Metoprolol

• CAS No. 56392-16-6
• C15H25NO4 M.W. 283.37

Metoprolol EP Impurity E

• CAS No. 163685-38-9
• C15H25NO3 M.W. 267.37

Metoprolol EP Impurity E

• CAS No. 163685-38-9
• C15H25NO3 M.W. 267.37

     
Metoprolol EP Impurity B

• C9H12O2 M.W. 152.19

Metoprolol Impurity I

• CAS No. 933468-54-3
• C14H21NO2 M.W. 235.33

Metoprolol EP Impurity N

• CAS No. 6452-57-9
• C6H15NO2 M.W. 133.19

Metoprolol Impurity 1

• CAS No. 29121-23-1
• C15H23NO4 M.W. 281.35

Metoprolol Impurity 3

• CAS No. 84697-14-3
• C13H20O2 M.W. 208.30

Metoprolol Impurity 6

• C16H23NO5 M.W. 309.36

3-(2-Methoxyethyl)phenol

• CAS No. 32846-01-8
• C9H12O2 M.W. 152.19

(S)-(-)-Metoprolol

• CAS No. 81024-42-2
• C15H25NO3 M.W. 267.37

Metoprolol EP Impurity J

• CAS No. 163685-37-8
• C18H31NO5 M.W. 341.45

Metoprolol EP Impurity D

• CAS No. 62572-90-1

Metoprolol EP Impurity F

• CAS No. 7695-63-8
• C12H19NO2 M.W. 209.29 2H18O4 M.W. 226.27

Metoprolol Hemitartrate

• CAS No. 56392-17-7
• C15H25NO3. 0.5 C4H6O6 M.W. 267.37 0.5 150.09

Metoprolol Related Compound B

• CAS No. 56718-76-4
• C12H17ClO3 M.W. 244.72

Metoprolol Impurity 2 (Mixture of Z and E Isomers)

• CAS No. 82961-02-2
• C15H23NO3 M.W. 265.36

Metoprolol Impurity 4

• CAS No. 123195-72-2
• C12H18O2 M.W. 194.28

Metoprolol Epoxide

• CAS No. 56718-70-8
• C12H16O3 M.W. 208.26

p-(2-Methoxyethyl)anisole

• CAS No. 80314-58-5
• C10H14O2 M.W. 166.22

(R)-(+)-Metoprolol

• CAS No. 81024-43-3
• C15H25NO3 M.W. 267.37

Metoprolol EP Impurity A

• CAS No. 109632-08-8
• C14H23NO3 M.W. 253.34

Metoprolol EP Impurity C (Bisoprolol EP Impurity L)

• CAS No. 29122-74-5
• C13H19NO3 M.W. 237.30

Metoprolol EP Impurity H (Betaxolol EP Impurity B)

• CAS No. 62572-94-5
• C14H23NO3 M.W. 253.34

Metoprolol Impurity M DiHCl

• CAS No. 73313-36-7
• C9H22N2O. 2 HCl M.W. 174.29 2 36.46

Metoprolol Related Compound C

• CAS No. N/A
• C14H21NO4 M.W. 267.33

Metoprolol Impurity M

• CAS No. 343785-33-1
• C9H22N2O M.W. 174.29

Metoprolol Impurity 5

• C21H28O5 M.W. 360.45
• 2-(2-Methoxyethyl)phenol

CAS No. 330976-39-1

• C9H12O2 M.W. C9H12O2

Nevirapine Working StandardCAS ID: 129618-40-2Molar mass: 266.298 g/molFormula: C15H14N4O Nevirapine Impurity - A, B, C, D, E, F, G. Nevirapine Related Compound - A, B, C, D, E, F, G. NevirapineCAS No. 129618-40-2C15H14N4OM.W. 266.31 Nevirapine CAS No. 129618-40-2(non-d)C15H9N4OD5 M.W. 271.34 Nevirapine Impurity DCAS No. N/AC30H26N8O2M.W. 530.59 Nevirapine Impurity DC14H14N4O M.W. 254.29 Nevirapine Impurity A C12H10N4OM.W. 226.24 Nevirapine Impurity BCAS No. N/AC18H18N4OM.W. 306.37 Nevirapine Butenyl Analogue CAS No. 287980-58-2C15H16N4O M.W. 268.32

Nimesulide Working StandardFormula C13H12N2O5SMolar mass 308.311 Nimesulide Impurity - A, B, C, D, E, F, G. Nimesulide Related Compound - A, B, C, D, E, F, G. 4-Hydroxy NimesulideCAS No. 109032-22-6C13H12N2O6SM.W. 324.31 4-Hydroxy Nimesulide Nimesulide EP Impurity ACAS No. 51765-56-1C13H11N3O7S M.W. 353.31 Nimesulide EP Impurity A CAS No. 70995-08-3C12H9NO4M.W. 231.21 Nimesulide EP Impurity GCAS No. 4171-83-9C12H9NO2S M.W. 231.28 Nimesulide Nimesulide EP Impurity C (2-phenoxyaniline)CAS No. 2688-84-8C12H11NOM.W. 185.23 Nimesulide EP Impurity C (2-phenoxyaniline)CAS No. 5422-92-4C12H10N2O3 M.W. 230.22 Nimesulide EP Impurity DCAS No. 51765-72-1C14H14N2O7S2 M.W. 386.40 Nimesulide EP Impurity F CAS No. 51765-51-6C13H13NO3S M.W. 263.32 Nimesulide EP Impurity B CAS No. 905858-63-1C14H15NO5S2 M.W. 341.41 .

Nifedipine Working StandardFormula C17H18N2O6Molar mass 346.335 Nifedipine Impurity - A, B, C, D, E, F, G. Nifedipine Related Compound - A, B, C, D, E, F, G. Benidipine Impurity 4 (Nifedipine)CAS No. 21829-25-4C17H18N2O6 M.W. 346.34 Benidipine Impurity 4 (Nifedipine) Benidipine Impurity 5 (Nifedipine Impurity 1)CAS No. 21829-09-4C17H18N2O6 M.W. 346.34 Benidipine Impurity 5 (Nifedipine Impurity 1) Benidipine Impurity 8 (Nifedipine Impurity 5)C28H31N3O6 M.W. 505.58 Benidipine Impurity 8 (Nifedipine Impurity 5)Dehydronifedipine-d6C17H10D6N2O6 M.W. 350.36 Dehydronifedipine-d6 Nifedipine Impurity 1 (Benidipine Impurity 5)CAS No. 21829-09-4C17H18N2O6 M.W. 346.34 Nifedipine Impurity 1 (Benidipine Impurity 5) Nifedipine Impurity 2 (Nicardipine Carboxylic Acid Derivative )CAS No. 74936-72-4C16H16N2O6 M.W. 332.32 Nifedipine Impurity 2 (Nicardipine Carboxylic Acid Derivative )Nifedipine Impurity 3C15H14N2O6M.W. 318.29 Nifedipine Impurity 3 Nifedipine Impurity 4C28H31N3O6M.W. 505.58 Nifedipine Impurity 4 Nifedipine Impurity 5 (Benidipine Impurity 8)C28H31N3O6M.W. 505.58 Nifedipine Impurity 5 (Benidipine Impurity 8)Nifedipine Impurity 6C27H29N3O6M.W. 491.55 Nifedipine Impurity 6 Nifedipine Amide ImpurityCAS No. 114709-68-1C16H17N3O5M.W. 331.33 Nifedipine Amide Impurity Nifedipine Impurity 7CAS No. 108139-78-2C19H18N4O6M.W. 398.38 Nifedipine Impurity 7Nifedipine Impurity 8C18H16N4O6M.W. 384.35 Nifedipine Impurity 8 Nifedipine-d6CAS No. 21829-25-4C17H12D6N2O6M.W. 352.38 Nifedipine-d6 Nifedipine metaboliteCAS No. 34783-31-8C16H14N2O7M.W. 346.30 Nifedipine metaboliteDehydro NifedipineCAS No. 67035-22-7C17H16N2O6M.W. 344.33

Misoprostol Working StandardFormula C22H38O5Molar mass 382.534 Misoprostol Impurity - A, B, C, D, E, F, G. Misoprostol Related Product - A, B, C, D, E, F, G. Misoprostol Acid (Mixture of Diastereomers)CAS No. 66792-31-2C21H36O5 M.W. 368.51 Misoprostol Acid (Mixture of Diastereomers) C21H31O5D5M.W. 373.54 Misoprostol Acid-d5 CAS No. N/AC22H38O5 M.W. 382.55 Misoprostol EP Impurity A (8-epi-Misoprostol)CAS No. N/AC22H36O4 M.W. 364.53 Misoprostol Impurity (A-Form) CAS No. N/AC22H36O4 M.W. 364.54 Misoprostol EP Impurity D (Misoprostol B) CAS No. 58717-37-6C22H38O5 M.W. 382.54 (Z)-Misoprostol (Mixture of Diastereomers)CAS No. 40098-26-8C13H20O4 M.W. 240.30 Misoprostol EP Impurity F CAS No. 58717-36-5C22H38O5 M.W. 382.55 Misoprostol EP Impurity E (11-epi-Misoprostol) C22H36O4 M.W. 364.53 Misoprostol EP Impurity C (Misoprostol A)CAS No. 59122-46-2 (non-d)C22H33O5D5 M.W. 387.58 Misoprostol-d5 CAS No. 1256643-55-6C22H38O5 M.W. 382.55 8-iso Misoprostol C22H38O5 M.W. 382.55 Misoprostol Impurity 4C22H38O5 M.W. 382.55 Misoprostol EP Impurity B (12-epi-Misoprostol) CAS No. 59122-46-2C22H38O5 M.W. 382.54 Misoprostol (Mixture of Diastereomers)

Ondansetron Working StandardFormula C18H19N3OMolar mass 293.4 Ondansetron Impurity - A, B, C, D, E, F, G. Ondansetron Related Product - A, B, C, D, E, F, G. 6-Hydroxy Ondansetron HClCAS No. 110708-17-3 (free base)C18H19N3O2. HCl M.W. 309.37 36.46 6-Hydroxy Ondansetron HCl CAS No. 126702-17-8 (free base)C18H19N3O2. HCl M.W. 309.37 36.46 7-Hydroxy Ondansetron HCl CAS No. 126671-71-4C18H19N3O2 M.W. 309.37 8-Hydroxy OndansetronC18H16N3OD5 M.W. 300.42 Ondansetron-d5 CAS No. 99614-02-5 (non-labelled)13C C17H16N3OD3 M.W. 297.38 Ondansetron-13C-d3 CAS No. 99614-01-4C18H19N3O. HCl M.W. 293.37 36.46 Ondansetron HClCAS No. 1076198-52-1C37H38N6O2 M.W. 598.75 Ondansetron EP Impurity B CAS No. 99614-14-9C17H17N3O M.W. 279.34 Ondansetron EP Impurity H CAS No. 15128-52-6C12H11NO M.W. 185.23 Ondansetron Impurity 1CAS No. 27387-31-1C13H13NO M.W. 199.25 Ondansetron EP Impurity C (Ondansetron USP Related Compound C) CAS No. 119812-29-2 (non-labelled)13C C15H17D3N2O. HCl M.W. 260.36 36.46 Ondansetron Related Compound A (USP)-13C-d3 CAS No. 119812-29-2 (non-labelled)C16H14D6N2O. HCl M.W. 262.39 36.46 Ondansetron Related Compound A (USP)-d6CAS No. 99614-03-6C17H17N3O M.W. 279.34 Ondansetron EP Impurity G CAS No. 693-98-1C4H6N2 M.W. 82.11 Ondansetron EP Impurity F CAS No. 119812-29-2C16H20N2O. HCl M.W. 256.35 36.46 Ondansetron Related Compound A (USP)

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Rifampicin working standard

Rifampicin Impurity A, B, C, D, E, F, G, H.

Rifampicin Related compound A, B, C, D, E, F, G, H.

Rifampicin

• CAS No. 13292-46-1
• C43H58N4O12 M.W. 822.96

25-Desacetyl Rifampicin

• CAS No. 16783-99-6
• C41H56N4O11 M.W. 780.92

Rifampicin Quinone

• CAS No. 13983-13-6
• C43H56N4O12 M.W. 820.95

25-Deacetyl-21-Acetyl Rifampicin

• CAS No. 1416773-22-2
• C43H58N4O12 M.W. 822.96

Rifampicin Impurity 4

• C40H54N4O11 M.W. 766.89
• 1, 2-Isonicotinyl Hydrazine
• C12H10N4O2 M.W. 242.24

4-Methylpiperazine-1-yl-imino rifamycin-o

• C45H58N4O14 M.W. 878.98

3-Formyl Rifampicin SV

• CAS No. 132922-22-3
• C38H47NO13 M.W. 725.80

N-Desmethyl Rifampicin

• CAS No. 13292-45-0
• C42H56N4O12 M.W. 808.93

Rifampicin Impurity 2

• C41H56N4O12 M.W. 796.92

Rifampicin Impurity 5

• C40H50N4O9 M.W. 730.86

25-Desacetyl Rifampicin-d4

• CAS No. 16783-99-6 (non-labelled)
• C41H52D4N4O11 M.W. 784.94

Rifampicin EP Impurity B (Rifampicin N-Oxide)

• CAS No. 125833-03-6
• C43H58N4O13 M.W. 838.95

25-Deacetyl-23-acetyl Rifampicin

• CAS No. 1416773-23-3
• C43H58N4O12 M.W. 822.96

Rifampicin Impurity 3

• C42H56N4O12 M.W. 808.93

Rifampicin Impurity 1

• C44H52N4O13 M.W. 844.92

N-Methyl Rifampicin

• C44H62N4O12 M.W. 839.00

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Sertraline  working standard

Sertraline Impurity A, B, C, D, E, F, G, H.

Sertraline Related compound A, B, C, D, E, F, G, H.

Sertraline HCl

• CAS No. 79559-97-0
• C17H17Cl2N. HCl M.W. 306.24 36.46

Rac-cis-Sertraline-13C-d3 HCl

• CAS No. 79559-97-0 (S, S-isomer)
• C16H14Cl2ND313C. HCl M.W. 310.24 36.46

(1S, 4R)-Sertraline HCl

• CAS No. 79896-31-4
• C17H17Cl2N. HCl M.W. 306.24 36.46

Sertraline oxime impurity

• CAS No. 152642-35-8
• C16H13Cl2NO M.W. 306.19

Ethyl Sertraline

• C18H19Cl2N M.W. 320.26

Sertraline EP Impurity A HCl (rac-trans-Sertraline HCl)

• CAS No. 79617-99-5
• C17H17Cl2N. HCl M.W. 306.24 36.46

Sertraline EP Impurity C HCl

• CAS No. 79559-98-1
• C17H18ClN. HCl M.W. 271.79 36.46

Sertraline EP Impurity B HCl

• CAS No. 52758-05-1
• C17H19N. HCl M.W. 237.35 36.46

(1R, 4S)-Sertraline HCl

• CAS No. 79896-32-5
• C17H17Cl2N. HCl M.W. 306.24 36.46

Sertraline-d6

• CAS No. N/A
• C17H11Cl2ND6 M.W. 313.26

Sertraline-15N13CD3

• C17H14Cl2ND3 M.W. 311.24

(1R, 4R)-Sertraline 4-Chlorophenyl Impurity HCl

• CAS No. 79617-90-6
• C17H18ClN. HCl M.W. 271.79 36.46

Sertraline 2, 3-Dichloro Ketone Impurity

• CAS No. 152448-80-1
• C16H12Cl2O M.W. 291.18

Sertraline Dimethyl Impurity HCl

• CAS No. 122873-20-5 (free base)
• C18H19Cl2N . HCl M.W. 320.26 36.46

Mandelic Acid Isopropyl Ester

• CAS No. 4118-51-8
• C11H14O3 M.W. 194.23

cis-Sertraline-d3 HCl

• CAS No. 79617-95-1 (non-labelled)
• C17H14Cl2ND3. HCl M.W. 309.26 36.46

Sertraline Impurity (SRTRC-3)

• CAS No. 79560-19-3
• C16H12Cl2O M.W. 291.18

rac-cis-Sertraline-2, 3-Dichloro Impurity HCl

• C17H17Cl2N. HCl M.W. 306.24 36.46

Sertraline EP Impurity G HCl

• CAS No. 79645-15-1
• C17H17Cl2N. HCl M.W. 306.24 36.46

Sertraline EP Impurity D HCl

• C17H18ClN. HCl M.W. 271.79 36.46

Desmethyl Sertraline HCl

• CAS No. 79617-96-2
• C16H15Cl2N.HC M.W. 265.67

Sertraline 2, 3-Dichloro Imine Impurity

• CAS No. N/A
• C17H15Cl2N M.W. 304.22

Sertraline EP Impurity E ((R)-Mandelic Acid)

• CAS No. 611-71-2
• C8H8O3 M.W. 152.15

Sertraline Impurity 1

• CAS No. 866018-46-4
• C16H14Cl2O M.W. 293.19

Sertraline EP Impurity F Enantiomer

• CAS No. 124379-29-9
• C16H12Cl2O M.W. 291.17

(1S, 4S)-Sertraline 4-Chlorophenyl Impurity HCl

• CAS No. 79646-00-7
• C17H18ClN. HCl M.W. 271.79 36.46

Sertraline EP Impurity F

• CAS No. 155748-61-1
• C16H12Cl2O M.W. 291.17

Sildenafil Working StandardCAS No.: 139755-83-2Molecular Formula: C22H30N6O4SMolecular Weight: 474.59 Sildenafil Impurity - A, B, C, D, E, F, G. Sildenafil Related Product - A, B, C, D, E, F, G. Sildenafil CitrateCAS No. 171599-83-0C22H30N6O4S. C6H8O7 M.W. 474.59 192.13 N-Desmethyl SildenafilCAS No. 139755-82-1C21H28N6O4S M.W. 460.55 Sildenafil-d8CAS No. 139755-83-2 (non-labelled)C22H22D8N6O4S M.W. 482.63 Acetildenafil (Hongdenafil)CAS No. 831217-01-7C25H34N6O3 M.W. 466.59 HomosildenafilCAS No. 642928-07-2C23H32N6O4S M.W. 488.61 Norneo-SildenafilCAS No. 371959-09-0C22H29N5O4S M.W. 459.57 Hydroxyhomo SildenafilCAS No. 139755-85-4C23H32N6O5S M.W. 504.61 ThiosildenafilCAS No. 479073-79-5C22H30N6O3S2 M.W. 490.64 Thiohomo SildenafilCAS No. 479073-80-8C23H32N6O3S2M.W. 504.68 Hydroxythiohomo SildenafilCAS No. 479073-82-0C23H32N6O4S2 M.W. 520.68 Dimethyl SildenafilCAS No. 1416130-63-6C23H32N6O4S M.W. 488.61 N-Desethyl AcetildenafilCAS No. 147676-55-9C23H30N6O3 M.W. 438.53 Hydroxy AcetildenafilCAS No. 147676-56-0C25H34N6O4M.W. 482.59 PiperiacetildenafilCAS No. 147676-50-4C24H31N5O3 M.W. 437.54 Acetil AcidC18H20N4O4 M.W. 356.38 CarbodenafilCAS No. 944241-52-5C24H32N6O3 M.W. 452.56 GendenafilCAS No. 147676-66-2C19H22N4O3 M.W. 354.41 ImidazosagatriazinoneCAS No. 139756-21-1C17H20N4O2 M.W. 312.37 N-Desmethyl Sildenafil-d8CAS No. 1185168-06-2C21H20N6O4SD8 M.W. 468.60

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Sitagliptin  working standard

Sitagliptin Impurity A, B, C, D, E, F, G, H.

Sitagliptin Related compound A, B, C, D, E, F, G, H.

Sitagliptin

• CAS No. 486460-32-6
• C16H15F6N5O M.W. 407.32

Celecoxib Trifluro Impurity (Sitagliptin Impurity 26)

• CAS No. 910303-54-7
• C11H9F3O2 M.W. 230.19

Sitagliptin Enamine impurity

• C16H13F6N5O M.W. 405.31

 

Sitagliptin Defluoro Impurity 1

• CAS No. N/A
• C16H20F3N5O M.W. 355.36

Sitagliptin Defluoro Impurity 4

• CAS No. 1271773-97-7
• C15H19F2NO4 M.W. 315.32

Sitagliptin-d4

• CAS No. 486460-32-6 (non-d)
• C16H11F6N5OD4 M.W. 411.35

Sitagliptin Deamino Impurity 1

• CAS No. 1253056-18-6
• C16H12F6N4O M.W. 390.29

Sitagliptin Impurity 19 ((R)-Sitagliptin N-Boc-Acid Impurity)

• CAS No. 486460-00-8
• C15H18F3NO4 M.W. 333.31

Sitagliptin impurity F

• CAS No. Sitagliptin Impurity F
• C22H24F6N4O2 M.W. 490.45

Sitagliptin impurity H HCl

• CAS No. 1334244-24-4 (free base)
• C16H16F5N5O. HCl M.W. 389.33 36.46

Sitagliptin related compound 1

• CAS No. 331763-66-7
• C15H20FNO4 M.W. 297.33

Sitagliptin diamide impurity

• C20H19F6N5O3 M.W. 491.40

Sitagliptin Carbamoyl Glucuronide

• CAS No. 940002-59-5
• C23H23F6N5O9 M.W. 627.45

Sitagliptin Impurity 22

• CAS No. 2072867-07-1?
• C26H23F9N6O2 M.W. 622.50

 

Sitagliptin Triazecine Analog

• C16H13F6N5O2 M.W. 421.30

Sitagliptin Impurity 7

• CAS No. N/A
• C15H17F2N5O M.W. 321.33

Sitagliptin Impurity 9

• CAS No. 1234321-81-3
• C13H12F3NO3 M.W. 287.24

Sitagliptin impurity 11

• C6H9F3N4O M.W. 210.16

Sitagliptin Impurity 13

• CAS No. 1253056-01-7
• C16H14F6N4O2 M.W. 408.31

Sitagliptin Impurity 16

• C24H22F6N6O2 M.W. 540.47

Sitagliptin Impurity 21 HCl

• C16H16F5N5O. HCl M.W. 389.33 36.46

Sitagliptin Impurity 28

• C21H23F6N5O3 M.W. 507.44

rac-Sitagliptin-d4 HCl

• C16H11F6N5OD4. HCl M.W. 411.35 36.46

Sitagliptin Impurity 17

• CAS No. 1204818-19-8
• C10H10F3NO2. HCl M.W. 233.19 36.46

Sitagliptin Defluoro Impurity 2

• CAS No. N/A
• C16H20F3N5O M.W. 355.36

(S)-Sitagliptin N-Boc-Acid Impurity

• CAS No. 922178-94-7
• C15H18F3NO4 M.W. 333.31

(R)-Sitagliptin Methyl-Ester Impurity

• CAS No. 881995-69-3
• C11H12F3NO2 M.W. 247.22

Sitagliptin Deamino Impurity 2 (Mixture of Z and E Isomers)

• CAS No. N/A
• C16H12F6N4O M.W. 390.29

Sitagliptin Impurity 18 (Sitagliptin N-Boc Impurity)

• CAS No. 486460-23-5
• C21H23F6N5O3 M.W. 507.44

Sitagliptin impurity G

• CAS No. 269396-59-0
• C15H19F2NO4 M.W. 315.32

Sitagliptin impurity M

• CAS No. 218608-98-1
• C15H20FNO4 M.W. 297.33

Sitagliptin impurity P HCl

• C16H17F4N5O. HCl M.W. 371.34 36.46

Sitagliptin enamine amide impurity

• C18H15F6N5O2 M.W. 447.34

Sitagliptin Impurity 23

• C26H21F9N6O2 M.W. 620.48

rac-Sitagliptin EP Impurity C HCl

• C16H16F5N5O. HCl M.W. 389.33 36.46

 

Sitagliptin Styrylacetyl Analog

• CAS No. 1675201-14-5
• C16H12F6N4O M.W. 390.29

Sitagliptin Impurity 8

• CAS No. N/A
• C15H17F2N5O M.W. 321.33

Sitagliptin EP Impurity B HCl (Sitagliptin Defluoro Impurity 6 HCl)

• CAS No. 486459-70-5
• C16H16F5N5O. HCl M.W. 389.33 36.46

Sitagliptin Impurity 12

• CAS No. 1234321-83-5
• C13H14F3NO3 M.W. 289.26

 

Sitagliptin Impurity 14

• C12H14F3NO2 M.W. 261.25

Sitagliptin Phosphate

• CAS No. 654671-78-0
• C16H15F6N5O. H3O4P M.W. 407.32 98.00

rac-Sitagliptin Acetate Salt

• C16H15F6N5O. C2H4O2 M.W. 407.32 60.05

(R)-Sitagliptin Defluoro Impurity 3

• CAS No. 851307-12-5
• C15H19F2NO4 M.W. 315.32

Sitagliptin Impurity E HCl (Sitagliptin S-Isomer HCl)

• CAS No. N/A
• C16H15F6N5O. HCl M.W. 407.32 36.46

Sitagliptin Impurity 20 HCl

• CAS No. 762240-92-6
• C6H7F3N4. HCl M.W. 192.15 36.46

Sitagliptin Defluoro Impurity 3

• CAS No. 851307-12-5 (R-isomer)
• C15H19F2NO4 M.W. 315.32

(R)-Sitagliptin N-Boc-Methyl-Ester Impurity

• CAS No. 881995-73-9
• C16H20F3NO4 M.W. 347.34

Sitagliptin N-Phoshate Impurity

• CAS No. 1351498-25-3
• C16H16F6N5O4P M.W. 487.30

Sitagliptin EP Impurity B HCl

• CAS No. 1334244-32-4 (free base)
• C16H16F5N5O. HCl M.W. 389.33 36

Sitagliptin EP Impurity A Phosphate

• CAS No. 823817-58-9
• C16H15F6N5O. H3O4P M.W. 407.32 98.00

Sitagliptin-N-sulfate

• C16H15F6N5O4S M.W. 487.38

 

Sitagliptin Desfluoro Impurity HCl

• C16H17F4N5O. HCl M.W. 371.34 36.46

Sitagliptin impurity B

• C32H25F12N9O2 M.W. 795.60

 

Sitagliptin Impurity 25

• C16H10F6N4O M.W. 388.27

Sitagliptin impurity 24

• C16H14F6N4O M.W. 392.31

Sitagliptin Impurity 6

• C17H15F6N5O2 M.W. 435.33

Sitagliptin Fumarate Adduct (Mixture of Diastereomers)

• C20H19F6N5O5 M.W. 523.39

Sitagliptin Monophosphate Monohydrate

• CAS No. 654671-77-9
• C16H15F6N5O.H2O.H3O4P M.W. 407.32 18.02 98.00

Sitagliptin impurity 10

• C6H5F3N4O M.W. 206.13

Sitagliptin Impurity 26 (Celecoxib Trifluro Impurity)

• CAS No. 910303-54-7
• C11H9F3O2 M.W. 230.19

Sitagliptin Impurity 15

• C18H17F3N2O3 M.W. 366.34

Sitagliptin Impurity 17 HCl

• C16H16F5N5O. HCl M.W. 389.33 36.46

Sitagliptin Impurity 27

• C11H12F3NO2. C4H6O4 M.W. 247.22 118.09

(R)-Sitagliptin Defluoro Impurity 4

• CAS No. 486459-98-7
• C15H19F2NO4 M.W. 315.32

Sitagliptin dioxo impurity

• C16H12F6N4O2 M.W. 406.29

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Sofosbuvir  working standard

Sofosbuvir Impurity A, B, C, D, E, F, G, H.

Sofosbuvir Related compound A, B, C, D, E, F, G, H.

Sofosbuvir

• CAS No. 1190307-88-0
• C22H29FN3O9P M.W. 529.46

Sofosbuvir Nucleoside Derivative (GS-331007)

• CAS No. 863329-66-2
• C10H13FN2O5 M.W. 260.22

Sofosbuvir Impurity 2

• CAS No. 863329-62-8

• C31H27N3O8 M.W. 569.58

Sofosbuvir Impurity 5

• CAS No. 874638-94-5
• C24H22FN3O6 M.W. 467.46

Sofosbuvir Impurity 8

• CAS No. 944476-44-2
• C24H22N2O8 M.W. 466.45

Sofosbuvir Impurity 12

• CAS No. 114262-49-6
• C10H14N2O6 M.W. 258.23

Sofosbuvir Impurity 15

• C22H30N3O10P M.W. 527.47

Sofosbuvir-13C-d3

• CAS No. 2070009-25-3
• 13C C21H26D3FN3O9P M.W. 533.47

Sofosbuvir Impurity 21

• C22H29ClN3O9P M.W. 545.92

Sofosbuvir Impurity 23

• C10H13FN2O5 M.W. 260.22

Sofosbuvir Impurity 26

• C10H13FN2O5 M.W. 260.22

Sofosbuvir Impurity 29

• C10H13FN2O5 M.W. 260.22

Sofosbuvir Impurity 32

• CAS No. 1157884-58-6
• 372.35 M.W. C20H17FO6

Sofosbuvir Impurity 35

• CAS No. N/A
• C10H13ClN2O5 M.W. 276.68

Sofosbuvir Impurity 37 ( Sofosbuvir Isomer)

• C22H29FN3O9P M.W. 529.46

Sofosbuvir Impurity 40

• CAS No. 1859162-80-3
• C16H18FN2O8P M.W. 416.30

Sofosbuvir Impurity 31-13C-d3

• C10H13FN2O14P3D3 M.W. 504.17

Sofosbuvir Impurity 45

• CAS No. 1337529-56-2
• C18H17F5NO5P M.W. 453.31

Sofosbuvir Impurity 48

• CAS No. 1337482-15-1
• C22H29FN3O9P M.W. 529.46

Sofosbuvir Impurity 51

• C22H31FN3O10P M.W. 547.47

Sofosbuvir Impurity 54

• C17H17FN2O6 M.W. 364.33

 

Sofosbuvir Impurity 57

• C24H21ClN2O7 M.W. 484.89

Sofosbuvir Impurity 60

• C31H26FN3O7 M.W. 571.56

Sofosbuvir Impurity 63

• C18H17F5NO5P M.W. 453.30

Sofosbuvir Impurity 66

• C12H17ClNO4P M.W. 305.69

Sofosbuvir Impurity 69

• C31H26FN3O7 M.W. 571.56

Sofosbuvir Impurity 72

• C14H17FN2O7 M.W. 344.30

Sofosbuvir Impurity 75

• C24H31FN3O10P M.W. 571.50

Sofosbuvir Impurity 3

• C38H31N3O9 M.W. 673.69

Sofosbuvir Impurity 6

• C24H22FN3O6 M.W. 467.46

Sofosbuvir Impurity 10

• C24H20N2O7 M.W. 448.44

Sofosbuvir Impurity 13

• C10H12N2O5 M.W. 240.22

Sofosbuvir Impurity 16

• C22H28N3O9P M.W. 509.46

Sofosbuvir Impurity 19

• CAS No. 1190308-01-0
• C22H29FN3O9P M.W. 529.46

Sofosbuvir Impurity 49 (GS-566500)

• CAS No. 1233335-78-8
• C13H19FN3O9P M.W. 411.28

Sofosbuvir Impurity 24

• C10H13FN2O5 M.W. 260.22

Sofosbuvir Impurity 27

• C10H13FN2O5 M.W. 260.22

Sofosbuvir Impurity 30

• CAS No. 874638-80-9
• C20H17FO6 M.W. 372.35

Sofosbuvir Impurity 33

• 388.81 M.W. C20H17ClO6

Sofosbuvir Impurity 36

• C10H15FN2O11P2 M.W. 420.18

Sofosbuvir Impurity 38

• C22H29FN3O9P M.W. 529.46

Sofosbuvir Impurity 41

• CAS No. 1233335-82-4
• C16H25FN3O9P M.W. 453.36

Sofosbuvir Impurity 43

• CAS No. 1520010-86-9 (free acid)
• C12H17NO5P . Na M.W. 286.25 22.99

 

Sofosbuvir Impurity 46

• C22H29FN3O9P M.W. 529.46

D-Alanine Sofosbuvir

• CAS No. 1064684-71-4
• C22H29FN3O9P M.W. 529.46

Sofosbuvir Impurity 52

• C29H33FN3O10P M.W. 633.57

Sofosbuvir Impurity 55

• C17H17FN2O6 M.W. 364.33

Sofosbuvir Impurity 58

• C31H26ClN3O7 M.W. 588.01

Sofosbuvir Impurity 61

• C31H26FN3O7 M.W. 571.56

Sofosbuvir Impurity 64

• C18H17F5NO5P M.W. 453.30

Sofosbuvir Impurity 67

• C16H13F5NO5P M.W. 425.25

Sofosbuvir Impurity 70

• C12H15FN2O6 M.W. 302.26

Sofosbuvir Impurity 73

• C24H31FN3O10P M.W. 571.50

Sofosbuvir Impurity 1

• C31H26FN3O7 M.W. 571.57

Sofosbuvir Impurity 4

• CAS No. 863329-63-9
• C31H25N3O7 M.W. 551.56

Sofosbuvir Impurity 7

• C24H21FN2O7 M.W. 468.44

Sofosbuvir Impurity 11

• C10H13FN2O5 M.W. 260.22

Sofosbuvir Impurity 14

• C22H29FN3O9P M.W. 529.46

Sofosbuvir Impurity 17

• C34H45FN4O13P2 M.W. 798.70

Sofosbuvir Impurity 20

• C22H29FN3O9P M.W. 529.46

Sofosbuvir Impurity 49 (GS-566500)-13C-d3

• CAS No. 1256490-46-6
• 13C C12H16D3FN3O9P M.W. 415.29

Sofosbuvir Impurity 25

• C10H13FN2O5 M.W. 260.22

Sofosbuvir Impurity 28

• C10H13FN2O5 M.W. 260.22

Sofosbuvir Impurity 31

• CAS No. N/A
• C10H16FN2O14P3 M.W. 500.16

Sofosbuvir Impurity 34 (GS-606965)

• CAS No. 1015073-43-4
• C10H14FN2O8P M.W. 340.20

Sofosbuvir Nucleoside Derivative-13C-d3; Sofosbuvir metabolite (GS-331007)-13C-d3

• CAS No. 1256490-42-2
• C913CH10FN2O5D3 M.W. 264.23

Sofosbuvir Impurity 39

• C31H26FN3O7 M.W. 571.57

Sofosbuvir Impurity 42

• C16H27FN3O9P M.W. 455.37

Sofosbuvir Impurity 44

• C22H29FN3O9P M.W. 529.4

Sofosbuvir Impurity 47-13C, d3

• C28H30FN3O9PD3 M.W. 609.57

Sofosbuvir Impurity 50

• C22H29FN3O9P M.W. 529.46

Sofosbuvir Impurity 53

• C20H25FN3O9P M.W. 501.40

Sofosbuvir Impurity 56

• CAS No. 817204-32-3
• C31H26FN3O7 M.W. 571.56

Sofosbuvir Impurity 59

• C31H26FN3O7 M.W. 571.56

Sofosbuvir Impurity 62

• C31H27N3O8 M.W. 569.57

Sofosbuvir Impurity 65

• C18H17F5NO5P M.W. 453.30

Sofosbuvir Impurity 68

• C31H26FN3O7 M.W. 571.56

Sofosbuvir Impurity 71

• C12H15FN2O6 M.W. 302.26

Sofosbuvir Impurity 74

• C24H31FN3O10P M.W. 571.50

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Timolol Maleate  working standard

Timolol Maleate Impurity A, B, C, D, E, F, G, H.

Timolol Maleate Related compound A, B, C, D, E, F, G, H.

Timolol

• CAS No. 26839-75-8
• C13H24N4O3S M.W. 316.43

Timolol Maleate

• CAS No. 26921-17-5
• C13H24N4O3S. C4H4O4 M.W. 316.43 116.07

(S)-Timolol EP Impurity C Maleate

• CAS No. 1391068-18-0 (free base)
• C19H31N7O4S2. C4H4O4 M.W. 485.63 116.07

Hydroxy Timolol

• C13H24N4O4S M.W. 332.42

Timolol-d5

• C13H19N4O3SD5 M.W. 321.46

(R)-Timolol Maleate (Timolol Impurity A Maleate)

• CAS No. 26839-77-0
• C13H24N4O3S. C4H4O4 M.W. 316.43 116.07

Timolol EP Impurity J

• C16H32N4O4S M.W. 376.52

Timolol Impurity 1

• CAS No. 75014-25-4
• C13H24N4O5S M.W. 348.42

Racemic Timolol Maleate

• CAS No. 57073-55-9
• C13H24N4O3S M.W. 316.43

Timolol EP Impurity D

• CAS No. 30165-97-0
• C6H9N3O2S M.W. 187.22

Reduced Timolol

• C13H22N4O3S M.W. 314.41

Timolol EP Impurity E

• CAS No. 1026075-53-5
• C17H26N4O6S M.W. 414.48

Timolol EP Impurity H HCl

• CAS No. 158636-97-6 (free base)
• C13H24N4O3S. HCl M.W. 316.43 36.46

Timolol Impurity 2

• CAS No. 75014-26-5
• C11H22N4O3S M.W. 290.38

Picosulfate impurity a, b, c, d, e, .Picosulfate related compound a, b, c, d, e, . Picosulfate ep impurity bcas no. 603-41-8c18h15no2 m.w. 277.33 picosulfate ep impurity acas no. 32500-19-9c18h14no5s. Na m.w. 356.38 22.99 picosulfate ep impurity a cas no. 10040-45-6c18h13nna2o8s2 m.w. 481.41 picosulfate sodium picosulfate impurity cc18h13no8s2. 2 na m.w. 435.43 2 22.99

5, 5-thiobis[1-methyl-4-nitro-1h-imidazole, 1-methyl-5-(3-methyl-5-nitroimidazol-4cas: 13755-68-5mf: chnosmw: 284.25 azathioprine ep impurity acas no. 4531-54-8c4h6n4o2 m.w. 142.12 azathioprine ep impurity a azathioprine ep impurity dcas no. 6339-54-4c4h5n3o2s m.w. 159.17 azathioprine ep impurity d azathioprine ep impurity g (thiamiprine)cas no. 5581-52-2c9h8n8o2s m.w. 292.28 azathioprine ep impurity g (thiamiprine)azathioprine impurity ccas no. 49808-20-0c10h6n8s2 m.w. 302.34 azathioprine impurity c azathioprinecas no. 446-86-6c9h7n7o2s m.w. 277.2

CAS No.: 87-62-7
Molecular Formula: C8H11N
Molecular Weight: 121.18

Chemical Name: 2, 6-Dimethylaniline,  2, 6-Dimethylbenzenamine; 2, 6-DMA; 2, 6-Xylidine; 1-Amino-2, 6-dimethylbenzene; 2, 6-Dimethylbenzenamine; 2, 6-Dimethylphenylamine; 2, 6-Xylylamine; 2-Amino-1, 3-dimethylbenzene; 2-Amino-1, 3-xylene; 2-Amino-m-xylene; NSC 7098; o-Xylidine; Bupivacaine Imp. F (EP); USP Lidocaine impurity A; Lidocaine EP Impurity A

CAS No.: 857170-72-0
Molecular Formula: C14H22N2O. HCl
Molecular Weight: 234.34 36.46

 

Chemical name:

2-(Diethylamino)-N-(2, 3-dimethylphenyl)acetamide Hydrochloride

 

 

CAS No.: 50295-20-0
Molecular Formula: C13H20N2O. HCl
Molecular Weight: 220.32 36.46

Chemical Name: N-(2, 6-Dimethylphenyl)-2-(ethylmethylamino)acetamide Hydrochloride

N-(2, 6-Dimethylphenyl)-2-(ethylmethylamino)acetamide Hydrochloride; 2-(Ethylmethylamino)-2’, 6’-acetoxylidide Hydrochloride; Lidocaine Hydrochloride EP Impurity K

CAS No.: 2903-45-9
Molecular Formula: C14H22N2O2
Molecular Weight: 250.34

Chemical Name: Lidocaine N-Oxide,  2-(Diethyloxidoamino)-N-(2, 6-dimethylphenyl)acetamide; 2-(Diethylamino)-2’, 6’- acetoxylidide N-Oxide; 2-(Diethylamino)-N-(2, 6-dimethylphenyl)acetamide N2-Oxide 

CAS No.: 1131-01-7
Molecular Formula: C10H12ClNO
Molecular Weight: 197.66

Chemical Name: 2-Chloro-2’, 6’-dimethylacetanilide,  2-Chloro-N-(2, 6-dimethylphenyl)acetamide; 1-Chloroacetylamino-2, 6-dimethylbenzene; 2-Chloro-2’, 6’-acetoxylidide; 2’, 6’-Dimethyl-2-chloroacetanilide; Chloroacetamido-2, 6-xylidine; Chloroaceto-2, 6-xylidide; N-(2, 6-Dimethylphenyl)-2-chloroacetamide; N-(2, 6-Xylyl)chloroacetamide; N-Chloroacetyl-2, 6-dimethylaniline; NSC 37260; Lidocaine EP Impurity H

CAS No.: 16339-04-1
Molecular Formula: C5H12N2O 
Molecular Weight: 116.16

Chemical Name:1-Methyl-N-nitrosodiethylamine; Ethylisopropylnitrosamine

CAS:5632-47-3MF:C4H9N3OChemical Name:

1-Nitrosopiperazine; N-Mononitrosopiperazine