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Simson Pharma Limited
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Our Products

  1. Drug Impurities 216 Products available
  2. Reference Standard 36 Products available
  3. Drug Metabolites 20 Products available
  4. Isotope Labelled Compounds 9 Products available
  5. Industrial Acid 2 Products available
  6. Api Intermediate 2 Products available
  7. Inorganic And Organic Solvents 1 Products available
  8. Anti Diabetic Drugs 1 Products available
  9. Ores And Minerals 1 Products available
  10. Glucuronides 1 Products available
  11. Anti Cancer Medicine 1 Products available
  12. Drug Intermediates 1 Products available
  13. Medicines Tonics And Drugs 1 Products available
  14. Pharmaceutical Raw Materials 1 Products available
  15. Industrial Chemicals 1 Products available
  16. Others Products 44 Products available

Drug Impurities

Impurities

Sertraline EP Impurity E

Synonyms :(R)-(-)-Mandelic Acid ; (2R)-(-)-Hydroxybenzeneacetic Acid ; D-Mandelic Acid CAT No :S010004 CAS No :611-71-2 Molecular Weight :152.1 Molecular Formula :C8H8O3

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Atorvastatin 3-Deoxy-Hept-2-Enoic Acid

  • CAS No. 1105067-93-3
  • Country of Origin India
Synonyms :(S)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H- pyrrol-1-yl]-5-hydroxyhept-2-enoic acid sodium salt CAT No :A120027CAS No :1105067-93-3Molecular Weight :562.61Molecular Formula :C33H32FN2NaO4

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Atorvastatin Lactam Phenanthrene Calcium

  • Country of Origin India
  • CAS No. 148127-12-2
Synonyms :[3R-[1(B"R*, D"R*), 3R*]]-9-Fluoro-2, 3-dihydro-B", D"-dihydroxy-3-(1-methylethyl)- 2-oxo-3-CAT No :A120024CAS No :148127-12-2Molecular Weight :591.66Molecular Formula :C33H32N2O6FCa0.5

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Dabigatran Impurity E

Synonyms :"3-[(2-[4-(Hexyloxycarbonylamino iminomethyl)phenylamino]methyl-1-methyl-1H-benzimidazole-5-carbonyl)pyridine-2-ylamino]propionic acid"CAT No :D200005 CAS No :212321-78-3 Molecular Weight :599.68 Molecular Formula :C32H37N7O5

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Dabigatran Etexilate

Synonyms : Ethyl 3-[(2-[(4-N'-hexyloxycarbonyl carbamimidoylphenyl)amino]methyl-1-methyl-1H-benzimidazol-5-yl)carbonyl] (pyridin-2-yl-amino) propanoate" CAT No :D200002 CAS No :211915-06-9 Molecular Weight :627.73 Molecular Formula :C34H41N7O3

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Ranitidine N-Oxide

Synonyms :"(N-[2-[[[5-[(dimethylamino) methyl] -2-furanyl]methyl]sulfinyl]ethyl]-N-methyl-2-nitro-1, 1-ethenediamine)" CAT No :R070009 CAS No :73857-20-2 Molecular Weight :330.04 Molecular Formula :C13H22N4O4S

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Ramipril Impurity-I(EP)

Synonyms :"(2S, 3aS, 6aS)-1-[(2R)-2-[[(1S)-1-(ethoxycarbonyl)-3-phenylpropyl]amino]propanoyl]octahydrocyclopenta[b]pyrrole-2-carboxylic acid" CAT No :R020009 CAS No :129939-65-7 Molecular Weight :416.51 Molecular Formula :C23H32N2O5

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Atorvastatin Dehydro Lactone

  • Brand Name SimSon Pharma
  • CAS No. 442851-50-5
  • Place of Origin India
Synonyms :1-[2-[(2S)-3, 6-Dihydro-6-oxo-2H-pyran-2-yl]ethyl]-5-(4-fluorophenyl)-2-(1-methylethyl)-N, 4-diphenyl-1H-pyrrole-3-carboxamideCAT No :A120026CAS No :442851-50-5Molecular Weight :522.61Molecular Formula :C33H31FN2O3

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Atorvastatin Impurity-F

  • Brand Name SimSon Pharma
  • CAS No. 1105067-87-5
  • Place of Origin India
Synonyms :(3R, 5R)-7-[[(3R, 5R)-7-[2-(4-Fluoro phenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenyl amino)CAT No :A120017CAS No :1105067-87-5Molecular Weight :717.82Molecular Formula :C40H48FN3O8

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Ent-Montelukast Sodium

  • Number Of Flower Reference Standard
  • Brand Name SimSon Pharma
  • CAS No. 190078-45-6
  • Country of Origin India
Synonyms :1-[[[(1S)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methyl ethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid Sodium CAT No :M050018 CAS No :190078-45-6 Molecular Weight :608.17 Molecular Formula :C35H35ClNNaO3S

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Ramipril

Synonyms :(2S, 3aS, 6aS)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino]propanoyl] CAT No :R020000 CAS No :87333-19-5 Molecular Weight :416.51 Molecular Formula :C23H32N2O5

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17 Alpha Estradiol

  • CAS No. 57-91-0
  • Place of Origin India
Synonyms :(17a)-Estra-1, 3, 5(10)-triene-3, 17-diol CAT No :E050013 CAS No :57-91-0 Molecular Weight :272.38 Molecular Formula :C18H24O2

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Capecitabine USP RC B

  • Brand Name SimSon Pharma
  • CAS No. 05-09-3094
  • Country of Origin India
Synonyms :5-Deoxy-5-fluorouridine CAT No :C350003 CAS No :05-09-3094 Molecular Weight :246.19 Molecular Formula :C9H11FN2O5

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Dabigatran Impurity G

Synonyms :"(Z)-methyl-3-(2-(((4-(N-((hexyloxy) carbonyl)carbamimidoyl)phenyl)amino)methyl)1-methyl-N-(pyridine-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propano"CAT No :D200006 Molecular Weight :613.3 Molecular Formula :C33H39N7O5

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Dabigatran Impurity H

Synonyms :"(Z)-propyl-3-(2-(((4-(N-((hexyloxy) carbonyl)carbamimidoyl)phenyl)amino)methyl)1-methyl-N-(pyridine-2-yl)-1H-benzo[d]imidazole-5-carboxamido)propano"CAT No :D200007Molecular Weight :641.33Molecular Formula :C35H43N7O5

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Dabigatran Impurity B

Synonyms :N-[2-(4-Amidophenyl amino-methyl)-1-methyl-1H-benzodiol-5-yl carbonyl]-N-(2-pyridyl)-betaalanine ethyl esterCAT No :D200003Molecular Weight :515.56Molecular Formula :C27H29N7O4

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Sildenafil Impurity

  • Number Of Flower Reference Standard
  • Brand Name SimSon Pharma
  • CAS No. 139756-00-6
  • Place of Origin India
Synonyms :1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic Acid CAT No :S050020 CAS No :139756-00-6 Molecular Weight :213.19 Molecular Formula :C8H11N3O4

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O-Hydroxy Atorvastatin D5

  • CAS No. 265989-47-7
  • Country of Origin India
Synonyms :Ortho-Hydroxy atorvastatin calcium saltCAT No :A120023CAS No :265989-47-7Molecular Weight :1197.4Molecular Formula :C66H58D10N4O12CaF2

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Atorvastatin T-Butyl Ester

  • Brand Name SimSon Pharma
  • Country of Origin India
Synonyms :[R-(R*, S*)-2-(4-Fluorophenyl)-B", D"-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylMolecular Weight :614.75Molecular Formula :C37H43FN2O5CAT No :A120020CAS No :1217751-95-5

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Ethinyl Estradiol EP Impurity F

  • CAS No. 56324-28-8
  • Country of Origin India
Synonyms :6-Hydroxy Ethynyl Estradiol; (6, 17)-19-Norpregna-1, 3, 5(10)-trien-20-yne-3, 6, 17-triolCAT No :E050004CAS No :56324-28-8Molecular Weight :312.4Molecular Formula :C20H24O3

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Azithromycin Impurity-A(BP)

Synonyms :9-Deoxo-9a-aza-9a-homo Erythromycin A(Desmethyl Azithromycin)CAT No :A130001CAS No :76801-85-9Molecular Weight :735Molecular Formula :C37H70N2O12

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Atorvastatin Cyclic Sodium Salt (Isoprop)

  • Brand Name SimSon Pharma
  • CAS No. 873950-17-5- Free Acid
  • Number Of Flower Reference Standard
  • Country of Origin India
Synonyms :7-(4-Fluorophenyl)hexahydro-, 7-dihydroxy-1b-(1-methylethyl)-7a-phenyl-1a-[(phenylamino)carbonyl]-3H-oxireno[3, 4]pyrrolo[2, 1-b][1, 3]oxazine-3-butanoic Acid Sodium SaltCAT No :A120030CAS No :873950-17-5- Free AcidMolecular Weight :612.62Molecular Formula :C33H34FN2NaO7

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Rosuvastatin T-Butyl Ester

Synonyms :7-[4-(4-Fluorophenyl)-6-(1-methyl ethyl)-2-(methyl-methylsulfonyl-amino)-pyrimidin-5- CAT No :R060003 CAS No :355806-00-7 Molecular Weight :537.64 Molecular Formula :C26H36FN3O6 S

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Sildenafil EP Impurity C

  • Number Of Flower Reference Standard
  • Brand Name SimSon Pharma
  • CAS No. 139755-91-2
  • Place of Origin India
Synonyms :"5-[2-Hydroxy-5-(4-methyl piperazinylsulphonyl)phenyl]1-methyl-3-n-propyl-1, 6-dihydro-7H-pyrazolo[4, 3-d]pyramidin-7-one" CAT No :S050015 CAS No :139755-91-2 Molecular Weight :446.52 Molecular Formula :C20H26N6O4S

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Dabigatran Impurity C

Synonyms :"3-(2-[(4-Carbamimidoyl-phenylamino)methyl]-1-methyl-1H-benzoimidazole-5-carbonylpyridine-2-yl-amino-propionic acid ethyl ester" CAT No :D200004 Molecular Weight :559.58 Molecular Formula :C29H33N7O5

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Simvastatin Hydroxy Ethyl Ester

Synonyms :"(b-R, D""R, 1S, 2S, 6R, 8S, 8aR)-8-(2, 2-Dimethyl-1-oxobutoxy)-1, 2, 6, 7, 8, 8a-hexahydro-b, D""-dihydroxy-2, 6-dimethyl-1-naphthaleneheptanoic acid ethyl ester"CAT No :S020009CAS No :864357-87-9Molecular Weight :464.63Molecular Formula :C27H44O6

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Dexamethasone Sodium Phosphate Imp B

Synonyms :"9-fluoro-11B"", 17-dihydroxy-16B""-methyl-3, 20-dioxopregna-1, 4-dien-21-yl disodiumphosphate (bethamethasone disodium phosphate)."CAT No :D240003CAS No :151-73-5Molecular Weight :516.4Molecular Formula :C22H28FNa2O8P

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Ramipril Impurity-M(EP)

Synonyms :(2R, 3R)-2, 3-bis(benzoyloxy) butanedioic acid CAT No :R020013 CAS No :17026-42-5 Molecular Weight :358.3 Molecular Formula :C18H14O8

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Simvastatin Methyl Ester

Synonyms :"(B""R, D""R, 1S, 2S, 6R, 8S, 8aR)-8-(2, 2-Dimethyl-1-oxobutoxy)-1, 2, 6, 7, 8, 8a-hexahydro -B"", D""-dihydroxy-2, 6-dimethyl-1-naphthaleneheptanoic Acid Methyl Ester"CAT No :S020010CAS No :145576-26-7Molecular Weight :450.61Molecular Formula :C26H42O6

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Sildenafil EP Impurity B

  • Number Of Flower Reference Standard
  • Brand Name SimSon Pharma
  • CAS No. 1094598-75-0
  • Place of Origin India
Synonyms :"5-[2-ethoxy-5-[ (4-methyl-4-oxido piperazin-lyl)sulfonyl]phenyl]-1-methyl-3-propyl-6, 7 -dihydro-1H-pyrazolo[ 4, 3-d]pyrimidin- 7 -one" CAT No :S050013 CAS No :1094598-75-0 Molecular Weight :490.58 Molecular Formula :C22H30N6O5S

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Ethinyl Estradiol EP Impurity I

  • CAS No. 67703-68-8
  • Country of Origin India
Synonyms :6, 7-Dehydro Ethynyl Estradiol; (17)-19-Norpregna-1, 3, 5(10), 6-tetraen-20-yne-3, 17-diolCAT No :E050002CAS No :67703-68-8Molecular Weight :294.39Molecular Formula :C20H22O2

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17Beta-Estradiol Sodium Sulfate

Synonyms :7a-Acetoxy-3-sulfatoxy-estra-1, 3, 5(10)-triene Sodium Salt; CAT No :E050014 Molecular Weight :371.43 Molecular Formula :C18H20NAO5S

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Olopatadine

Synonyms :"(11Z)-11-[3-(dimethylamino) propylidene]-6, 11-dihydrodibenzo[b, e] oxepin-2-ylacetic acid hydrochloride" CAT No :O030000 CAS No :140462-76-6 Molecular Weight :373.87 Molecular Formula :C21H24ClNO3

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Estrone Acetate

Synonyms :3-Acetoxyestrone; 1, 3, 5[10]-Estratrien-3-ol-17-one acetateCAT No :E050021 CAS No :901-93-9 Molecular Weight :312.41 Molecular Formula :C20H24O3

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Sertraline EP Impurity C

Synonyms :(1RS, 4RS)-4-(4-chlorophenyl)-N-methyl-1, 2, 3, 4-tetrahydronaphthalen-1-amine CAT No :S010006 CAS No :79559-98-1 Molecular Weight :308.25 Molecular Formula :C17H19Cl2N

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Salbutamol

  • Number Of Flower Reference Standard
  • Brand Name SimSon Pharma
  • CAS No. 18559-94-9
  • Country of Origin India
Synonyms :SALBUTAMOL, KETONE IMPURITY BP STANDARD CAT No :S240000A CAS No :18559-94-9 Molecular Weight :239.31 Molecular Formula :C13H21NO3

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Ethinyl Estradiol EP Impurity B

  • CAS No. 1231-96-5
  • Country of Origin India
Synonyms :(17)-19-Norpregna-1, 3, 5(10), 9(11)-tetraen-20-yne-3, 17-diol; 19-Nor-17-pregna-1, 3, 5(10), 9(11)-tetraen-20-yne-3, 17-diol; 9, 11-Dehydro Ethynyl Estradiol; USP Ethinyl Estradiol Related Compound BCAT No :E050003CAS No :1231-96-5Molecular Weight :294.39 Molecular Formula :C20H22O2

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Sitagliptin Impurity Impurity D

  • Number Of Flower Reference Standard
  • Place of Origin India
Synonyms :3-(Trifluoromethyl)-5, 6, 7, 8-tetrahydro[1, 2, 4]triazolo[4, 3:a]pyrazine HCl CAT No :S060004 CAS No :762240-92-6 Molecular Weight :228.6 Molecular Formula :C6H8ClF3N4

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Sertraline EP Impurity B

Synonyms :(1RS, 4RS)-N-methyl-4-phenyl-1, 2, 3, 4-tetrahydronaphthalen-1-amine CAT No :S010010 CAS No :55056-87-6 Molecular Weight :273.8 Molecular Formula :C17H20ClN

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Sertraline EP Impurity F

Synonyms :(4R)-4-(3, 4-dichlorophenyl)-3, 4-dihydronaphthalen-1(2H)-one CAT No :S010009 CAS No :155748-61-1 Molecular Weight :291.17 Molecular Formula :C16H12Cl2O

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