Description

L-Glutamyl-L-Cysteinyl-L-Lysine is a synthetic tripeptide composed of the amino acids glutamic acid, cysteine, and lysine. This compound is of significant interest for its role as a precursor in the biosynthesis of glutathione, a critical intracellular antioxidant. It is primarily utilized in advanced research and development within the pharmaceutical, nutraceutical, and cosmeceutical industries.

Application

• Pharmaceutical Research: As a key intermediate in the study of glutathione metabolism and the development of related therapeutic agents.
• Nutraceutical Formulations: Incorporated into dietary supplements aimed at supporting cellular antioxidant defense systems.
• Cosmetic Science: Used in the development of high-end skincare products for its potential anti-aging and skin-brightening properties.
• Biochemical Research: Serves as a standard or reagent in enzymatic studies and metabolic pathway analysis.
• Cell Culture Media: Potential additive for specialized cell culture applications requiring enhanced antioxidant support.

Basic Information

Product Name	L-Glutamyl-L-Cysteinyl-L-Lysine
CAS No.	128960-73-6
Molecular Formula	C14H26N4O6S
Molecular Weight	378.45 g/mol
Synonyms	γ-Glutamylcysteinyllysine; Glutamyl Cysteinyl Lysine; GCL; ε-(L-γ-glutamyl)-L-lysyl-L-cysteine; L-γ-Glutamyl-L-cysteinyl-L-lysine; (2S)-2-Amino-5-[[(2R)-1-[(2S)-2,6-diaminohexanoyl]pyrrolidine-2-carbonyl]amino]-5-oxopentanoic acid
EINECS	Contact for details

Quality Control

Our L-Glutamyl-L-Cysteinyl-L-Lysine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and MS. Certificates of Analysis (COA) documenting full specifications are available for all shipments to ensure compliance with your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C under an inert atmosphere due to its hygroscopic and easily oxidized nature. Allow the sealed container to reach room temperature before opening to minimize moisture condensation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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