CAS No:98-79-3 (2S)-5-oxopyrrolidine-2-carboxylic acid

L-Pyroglutamic acid 98-79-3

CAS No.: 98-79-3
Weight: 129.11398
Formula: C₅H₇NO₃
Melting Point: 152-162 ºC
Place of Orign: Deyang,Sichuan,China

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Supplier Details

Sichuan Tongsheng Biotechnology Co.,Ltd
China
Contact:Mr.
Tel:86-838-2504166
Total Annual Sales Volume:Above US$100 Million
Number of Employees:101 - 500 People
Business Type:Manufacturer
Main Markets:North America,Southeast Asia,Mid East,South America,Africa,Eastern Asia,Eastern Europe,Oceania,Western Europe

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Item specifics

Product Name.:L-Pyroglutamic acid 98-79-3
CAS No: 98-79-3
Weight: 129.11398
Formula: C₅H₇NO₃
Melting Point: 152-162 ºC
Boiling Point: 453.1 °C at 760 mmHg
Density: 1.38 g/cm³

Details

Appearance
White crystalline powder

Specific rotation(a)D20

(C=5 H2O)
-11.0 to -12.0

Chloride(C1)
Not more than 0.02%

Ammonium(NH4)
Not more than 0.02%

Sulfate(SO4)
Not more than 0.02%

Heavy metals(Pb)
Not more than 10ppm

Iron(Fe)
Not more than 10ppm

Arsenic(As2O3)
Not more than 1 PPM

Loss on drying
Not more than 0.5%

Residue on ignition
Not more than 0.1%

Assay
99.0-101.0%

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L-Pyroglutamic acid 98-79-3

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