Description

L-Pyroglutamic Acid is a high-purity, naturally occurring amino acid derivative with significant biological and commercial relevance. This versatile chiral building block is essential for synthesizing peptides and other bioactive compounds, offering critical control over stereochemistry. It serves as a key intermediate for pharmaceutical, nutraceutical, and cosmetic applications, where consistent quality and reliable supply are paramount for product development and manufacturing.

Application

• Pharmaceutical Synthesis: A crucial chiral intermediate for the production of various drugs, including nootropic agents and peptide-based therapeutics.
• Cosmetic & Personal Care: Used as a skin moisturizing and conditioning agent in anti-aging formulations and high-end skincare products.
• Nutraceuticals & Dietary Supplements: Incorporated into supplements for its potential cognitive and neurological support benefits.
• Biochemical Research: Serves as a standard and reagent in biochemical studies and enzymatic assays.
• Flavor & Fragrance Industry: Acts as a precursor for certain flavor compounds.
• Agrochemical Intermediates: Utilized in the synthesis of specialized agricultural chemicals.

Basic Information

Product Name	L-Pyroglutamic Acid
CAS No.	98-79-3
Molecular Formula	C5H7NO3
Molecular Weight	129.11 g/mol
Synonyms	L-Pyroglutamic Acid; (S)-(-)-2-Pyrrolidone-5-carboxylic Acid; (S)-5-Oxopyrrolidine-2-carboxylic Acid; L-2-Pyrrolidone-5-carboxylic Acid; PCA; L-Pyroglutamate; (S)-Pyroglutamic Acid; L-Pyroglutaminic Acid; 5-Oxo-L-proline
EINECS	202-700-3

Quality Control

Our L-Pyroglutamic Acid is manufactured under a strict quality management system. Each batch is tested to ensure it meets high-purity standards suitable for pharmaceutical and nutraceutical applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent caking and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.5%
Optical Rotation [α]20/D	-10.0° to -12.0° (c=1 in H2O)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.