Description

Sodium L-Pyroglutamate is the sodium salt of the naturally occurring amino acid derivative L-pyroglutamic acid. This high-purity compound is valued for its role as a versatile intermediate and functional ingredient in advanced synthesis and formulation. It is essential for manufacturers in the pharmaceutical, cosmetic, and nutraceutical industries seeking reliable, high-quality raw materials for research and production.

Application

• Pharmaceutical Intermediate: Used in the synthesis of various active pharmaceutical ingredients (APIs) and prodrugs.
• Cosmetic & Personal Care: Functions as a skin-conditioning agent and moisturizer in anti-aging creams, lotions, and serums.
• Nutraceutical & Dietary Supplements: Employed as a component in nootropic and cognitive health formulations.
• Biochemical Research: Serves as a reagent and standard in metabolic pathway studies and analytical chemistry.
• Flavor & Fragrance Industry: Acts as a precursor or modifier in the creation of specific savory flavor profiles (umami).
• Cell Culture Media: Used as an additive in certain specialized cell culture and fermentation processes.

Basic Information

Product Name	Sodium L-Pyroglutamate
CAS No.	28874-51-3
Molecular Formula	C5H6NNaO3
Molecular Weight	151.10 g/mol
Synonyms	L-Pyroglutamic Acid Sodium Salt; Sodium (S)-5-Oxopyrrolidine-2-carboxylate; Sodium 5-Oxoproline; L-2-Pyrrolidone-5-carboxylic Acid Sodium Salt; PCA Sodium Salt; Sodium PCA; (S)-5-Oxo-2-pyrrolidinecarboxylic Acid Sodium Salt; Glutamic Acid 5-Lactam Sodium Salt
EINECS	249-277-1

Quality Control

Our Sodium L-Pyroglutamate is manufactured under a strict quality management system. Each batch is tested to ensure it meets high-purity standards suitable for pharmaceutical and cosmetic applications. A comprehensive Certificate of Analysis (COA) documenting identity, purity, and specific impurities is provided with every shipment to guarantee traceability and compliance.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Specific Rotation [α]20/D	-10.0° to -14.0° (c=1 in H2O)
pH (5% solution)	6.0 - 8.0
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	28.0% - 32.0%
Heavy Metals (as Pb)	≤ 10 ppm

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