Description

5-S-Cysteinyl-Glycyl-Dopa is a specialized tripeptide derivative of L-Dopa, a key intermediate in melanin biosynthesis. This compound is of significant interest in biochemical research and pharmaceutical development due to its role in the formation of pheomelanin and neuromelanin. It is primarily utilized by researchers and manufacturers in the life sciences sector focusing on pigment chemistry, neurochemistry, and the development of analytical standards or diagnostic reagents.

Application

• Biochemical Research: Critical intermediate for studying the enzymatic pathways and mechanisms of melanogenesis.
• Neurochemical Studies: Investigation of neuromelanin formation and its potential implications in neurodegenerative conditions.
• Analytical Standard: Used as a high-purity reference standard in HPLC, LC-MS, and other analytical methods for quantifying melanin precursors.
• Pharmaceutical Development: Serves as a key starting material or intermediate in the synthesis of novel compounds targeting pigment disorders.
• Cosmeceutical Research: Applied in studies aimed at understanding skin pigmentation for developing depigmenting or protective agents.

Basic Information

Product Name	5-S-Cysteinyl-Glycyl-Dopa
CAS No.	110823-49-9
Molecular Formula	C14H19N3O7S
Molecular Weight	373.38 g/mol
Synonyms	5-S-Cysteinyldopaglycine; Cys-Gly-Dopa; L-Cysteinyl-glycyl-L-dopa; 2-Amino-3-[(2-amino-2-carboxyethyl)sulfanyl]-N-(2-{[(1S)-1-carboxy-2-(3,4-dihydroxyphenyl)ethyl]amino}-2-oxoethyl)propanamide; (2S)-2-Amino-3-[(2R)-2-amino-3-[(carboxymethyl)amino]-3-oxopropyl]sulfanyl]propanoic acid
EINECS	Contact for details

Quality Control

Our 5-S-Cysteinyl-Glycyl-Dopa is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and MS, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. This material is hygroscopic (moisture-sensitive) and light-sensitive; prolonged exposure to air, moisture, or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (MS)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals	≤ 20 ppm

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