L-Pyroglutamic acid 98-79-3

Date：2021-12-01 Categories：Related Application Product

Post Date:

Nov 30,2021

Expiry Date:

Nov 30,2022

Detailed Description:

Cas No. :98-79-3

Payment Method: T/T
Appearance
White crystalline powder

Specific rotation(a)D20

(C=5 H2O)
-11.0 to -12.0º

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%

CAS Registry Number:	98-79-3
Synonyms:	;5-Oxo-L-proline;Pyroglutamicacid;pidolic acid;glutiminic acid;5-oxoproline;Pyr-OH;L-Pyroglutamic acid;H-Pyr-OH;L-2-Pyrrolidone-5-carboxylic acid;(S)-(-)-2-Pyrrolidinone-5-carboxylic acid;L-Pyrpglutamic Acid;5-Oxopyrrolidine-2-carboxylic acid;5-Pyrrolidone-2-carboxylic acid;L-5-Pyrrolidone-2-carboxylic acid;pyroglutamic acid;Pyrrolidonecarboxylic Acid;L-pyro glutamic acid;(2S)-5-oxopyrrolidine-2-carboxylate;
Molecular Formula:	C₅H₆NO₃
Molecular Weight:	128.1066
Molecular Structure:
Hazard Symbols:	Xi:Irritant;
Risk Codes:	R36/37/38:;
Safety Description:	S26:; S36:;

Tags：L-Pyroglutamic acid 98-79-3