Hot selling and gold quality L-Pyroglutamate CAS 98- 79 -3

English Name:  L-Pyroglutamic acid;5-Oxoproline; 5-Oxopyrrolidine-2-carboxylic acid; L-5-pyrrolidone-2-carboxylic acid; (S)-(-)-2-Pyrrolidone-5-carboxylic acid;Chemical Name:L-Pyroglutamic acid;5-Oxoproline; 5-Oxopyrrolidine-2-carboxylic acid; L-5-pyrrolidone-2-car

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English Name:  L-Pyroglutamic acid;5-Oxoproline; 5-Oxopyrrolidine-2-carboxylic acid; L-5-pyrrolidone-2-carboxylic acid; (S)-(-)-2-Pyrrolidone-5-carboxylic acid;
Chemical Name:L-Pyroglutamic acid;5-Oxoproline; 5-Oxopyrrolidine-2-carboxylic acid; L-5-pyrrolidone-2-carboxylic acid; (S)-(-)-2-Pyrrolidone-5-carboxylic

Molecular Formula:C5H7NO3;
Molecular Weight:129.11;
EINECS: 202-700-3;
Products Content:99.3%;
Chemical Property:  Colorless crystal. Melting Point 159-162°C. Soluble in water, alcohol, acetone and  acetic acid, slightly soluble in ethyl acetate, insoluble in ether
Product Standard:USP/FCC/EP;
Main Use: 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




White powder

Rotary rate (a)D20

-11.0º ~ -12.0º

Melting Point (ºC)

159ºC to 162 ºC

Chlorids (C1)


Amonnium salt (NH4


Sulphur salts (SO4


Heavy Metal (Pb)


Iron (Fe)


Arsenic salt (As2O3)

<1 PPM

Drying Loss


Burning residues



Company Information
HUBEI AOKS TRADE CO.,LTD is located in Hubei province of China.We specialized in pharmaceutical intermediates,veterinary drug intermediates and dyes intermediates,such as phenylacetamide, dimethylamine hcl, benzyl chloride etc.
We have strong professional research and development team,talented personnel and completely equipped laboratory for the quality controlling.We offer OEM service,if you have a good plan in new product production but lack of laboratory device and human resource, we are glad to slove this problem for you.
"Quality Best,Customer First" is what we adhering all the time,we have enjoyed a high reputation in the world market,mainly North America,Eastern Europe,Western Europe,South America and Southeast Asia.
Our business is based on honesty and mutual-trust.Sincerely looking forward to establish long-term and mutual beneficial business relationship with worldwide customers.
1. What's your MOQ?
100g-1kg, but we suggest 1kg, because Price good and easy to packing and shipping.
2. What's the delivey time?
Usally , will shipping for you as soon as paid , or 1-2 days after confirm your payment .And it takes 7-15 workdays for delivery.
3.  Do you accept sample orders?
Yes , Sample order is available.
4. How about shipment?
DHL, FedEx, UPS, EMS, TNT, etc. Sea shipping and airline are also optional.
5. What about payment methods?
Western Union ,MoneyGram, Bitcoin ,T/T, L/C, etc.
Please let me know your choice

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