L-pyroglutamic Acid

We are offering l-pyroglutamic acid.
Quick details
cas no.: 98-79-3
other names: 5-oxo-l-proline
mf: c5h7no3
einecs no.: ********
place of origin: sichuan, china (mainland)
type: vitamins, amino acids and coenzymes
grade standard: food grade
brand name: baishixing
model number: 99%
purity: 99%
appearance: white or off-white crystals or crystalline powder
packaging & delivery
packaging details: cartons,25kgs per carton.
Delivery detail: within 30 days.
Specifications
1.l-pyroglutamic acid
2.cas# :98-79-3
3.assay:99%
4.molecular formula:c5h7no3
5.molecular weight:129.11
l-pyroglutamic acid is white or off-white crystals or crystalline powder,dissolves in water,alcohol,acetone,glacial acetic acid,very slightly soluble in acetic ether,practically insoluble in ether.
name:l-pyroplutamic acid
synonym:(s)-(-)-2-pyrrolidone-5-carboxylic acid
cas#:98-79-3
content:99%min
molecular formula:c5n7no3
molecular weight:129.11
original place:chengdu,sichuan,china.
Supply ability:10000kgs per month.
specifications:
specific rotation[α]20d
-10.5°~ -11.9°
transmittance
not less than 95%
chloride
not more than 0.02%
ammonium
not more than 0.02%
sulfate
not more than 0.02%
iron
not more than 10ppm
heavy metals
not more than 10ppm
arsenic
not more than 1ppm
loss on drying
not more than 0.2%
residue on ignition
not more than 0.1%
chemical name
(s)-(-)-2-pyrrolidone-5-carboxylic acid
molecular formula
c5h7no3
molecular weight
129.11
assay
98.5%~100.5%