L-Pyroglutamic Acid (CAS 98-79-3) Sigma-Aldrich

L-Pyroglutamic Acid molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of L-Pyroglutamic Acid (CAS 98-79-3). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	98-79-3
Molecular formula	C5H7NO3
Molecular weight	129.12 g/mol
IUPAC name	(2S)-5-oxopyrrolidine-2-carboxylic acid
Synonyms	Pyroglutamic acid · Pidolic acid · 5-oxo-L-proline · (2S)-5-oxopyrrolidine-2-carboxylic acid · pyroglu · GLUTIMIC ACID

Safety & Hazards (GHS) Danger

Corrosive

H318 Causes serious eye damage

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	L-PYROGLUTAMIC ACID BIOXTRA	P5960-25G	Request Quote
Sigma	L-PYROGLUTAMIC ACID, >=99.0% T	83160-100G 83160-500G	Request Quote
Sigma	L-Pyroglutamic acid, >= 99.0 % T	83160-25G	Request Quote
Sigma	PIDOLIC ACID	Y0000123	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.