Our company was built in 2009 with an ISO certificate.

In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.

Our main business covers the fields below:

1.Noble Metal Catalysts (Pt.Pd...)

2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...)

3.OLED intermediates (Fluorene,Carbazole,Boric acid...)

4.Customs Synthesis

Our advantage:

1.Higest quality and good package

2.Fast delivery

3.Better payment term

4.Fast response to customer  within 6 hours

5.Good business credit in Europe ,US ,Japan ,Korea 

D-Pyroglutamic acid Basic information
Product Name: D-Pyroglutamic acid
Synonyms: (R)-5-PYRROLIDONE-2-CARBOXYLIC ACID;(R)-(+)-5-OXO-2-PYRROLIDINECARBOXYLIC ACID;(R)-5-OXO-2-PYRROLIDINECARBOXYLIC ACID;(R)-5-OXOPYRROLIDINE-2-CARBOXYLIC ACID;(R)-(+)-2-PYRROLIDINONE-5-CARBOXYLIC ACID;(R)-2-PYRROLIDINONE-5-CARBOXYLIC ACID;(R)-(+)-2-PYRROLIDONE-5-CARBOXYLIC ACID;(R)-2-PYRROLIDONE-5-CARBOXYLIC ACID
CAS: 4042-36-8
MF: C5H7NO3
MW: 129.11
EINECS: 223-735-0
Product Categories: Amino Acids and Derivatives;Heterocycles;pharmacetical;chiral;Pyroglutamic acid [Pyr, pGu];Amino Acids 13C, 2H, 15N;Amino Acids;Biochemistry;Biological-modified Amino Acids;for Resolution of Bases;Optical Resolution;Synthetic Organic Chemistry;Amino Acids & Derivatives;Chiral Reagents;amino acid
Mol File: 4042-36-8.mol
D-Pyroglutamic acid Structure
D-Pyroglutamic acid Chemical Properties
Melting point  155-162 °C
alpha  27.5 º (c=10,1N NaOH)
refractive index  10 ° (C=5, H2O)
storage temp.  Store at 0-5°C
Water Solubility  soluble
Merck  14,8001
BRN  82133
InChIKey ODHCTXKNWHHXJC-GSVOUGTGSA-N
CAS DataBase Reference 4042-36-8(CAS DataBase Reference)
Safety Information
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36-37/39
WGK Germany  3