L-pyroglutamic Acid

We are offering l-pyroglutamic acid
name: l-pyroglutamic acid
synonyms: 5-oxoproline; 5-oxopyrrolidine-2-carboxylic acid; l-5-pyrrolidone-2-carboxylic acid; (s)-(-)-2-pyrrolidone-5-carboxylic acid
molecular formula: c5h7no3
molecular weight: 129.11
cas registry number: 98-79-3
einecs: 202-700-3
description: white crystals or crystalline powder
chloride(cl) ≤0.020%
heavy metals (pb) ≤10ppm
iron(fe) ≤10ppm
arsenic (as2o3) ≤1ppm
other amino acids conforms
loss on drying ≤0.5%
residue on ignition ≤0.2%
melting point 160.1 ~ 161.2°c
assay 98.5% ~ 101.0%
application:
1. Pharmaceutical intermediates, medical supplements.
2. Has a strong moisturizing capabilities, strong penetration in the skin. As a high-nutrient in nature, easily absorbing additives, the skin conditioning of use, as a moisturizing agent.
Packaging: 25kgdrum or according to customer's require