1589029

Pyroglutamic Acid

United States Pharmacopeia (USP) Reference Standard

• Synonym(s): L-Pyroglutamic acid, (S)-(−)-2-Pyrrolidone-5-carboxylic acid, (S)-5-Oxo-2-pyrrolidinecarboxylic acid
• Empirical Formula (Hill Notation): C₅H₇NO₃
• CAS Number: 98-79-3
• Molecular Weight: 129.11
• Beilstein/REAXYS Number: 82132
• MDL number: MFCD00005272
• UNSPSC Code: 41116107
• PubChem Substance ID: 329751000
• NACRES: NA.24

Properties

• grade: pharmaceutical primary standard
• API family: pyroglutamic acid
• manufacturer/tradename: USP
• mp: 160-163 °C (lit.)
• application(s): pharmaceutical
• format: neat
• storage temp.: 2-8°C
• SMILES string: OC(=O)[C@@H]1CCC(=O)N1
• InChI: 1S/C5H7NO3/c7-4-2-1-3(6-4)5(8)9/h3H,1-2H2,(H,6,7)(H,8,9)/t3-/m0/s1
• InChI key: ODHCTXKNWHHXJC-VKHMYHEASA-N

Description

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including MSDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

USP issued SDS can be found here.

Sales restrictions may apply.

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H318,H412
• pcodes: P273 - P280 - P305 + P351 + P338 - P501
• Hazard Classifications: Aquatic Chronic 3 - Eye Dam. 1
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable