l-pyroglutamic acid 98-79-3

Date：2022-01-18 Categories：Related Application Product

post date:

jan 17,2022

expiry date:

jan 17,2023

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