Description

2-S-Cysteinyldopa is a key biochemical intermediate and metabolite formed in the melanin biosynthesis pathway. This compound is of significant interest in biochemical research and pharmaceutical development due to its role in neuromelanin formation and potential as a biomarker. It is primarily utilized by researchers and manufacturers in the life sciences, pharmaceutical, and advanced chemical synthesis sectors for analytical standards, metabolic studies, and specialized synthesis projects.

Application

• Biochemical Research: Used as a reference standard and reagent in studies of melanogenesis, neuromelanin formation, and related metabolic pathways.
• Pharmaceutical Development: Serves as a critical intermediate or biomarker in the research and development of drugs targeting neurological conditions or pigmentation disorders.
• Analytical Chemistry: Employed as a high-purity standard for method development and validation in HPLC, LC-MS, and other analytical techniques for quantifying catecholamines and related metabolites.
• Metabolite Studies: Essential for investigating the metabolism of L-DOPA and related compounds in both clinical and preclinical research settings.
• Specialty Chemical Synthesis: Acts as a building block for the synthesis of more complex molecules in advanced organic and medicinal chemistry.

Basic Information

Product Name	2-S-Cysteinyldopa
CAS No.	25565-17-7
Molecular Formula	C12H16N2O6S
Molecular Weight	316.33 g/mol
Synonyms	5-S-Cysteinyldopa; Cysteinyldopa; 2-S-CysDOPA; L-2-S-Cysteinyldopa; 3-(2-S-Cysteinyl)-L-tyrosine; 3-(2-S-Cysteinyl)-L-DOPA; (2S)-2-Amino-3-[[(2R)-2-amino-2-carboxyethyl]sulfanyl]-3-(3,4-dihydroxyphenyl)propanoic acid
EINECS	Contact for details

Quality Control

Our 2-S-Cysteinyldopa is produced under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for research and development. Each lot undergoes comprehensive analytical testing, including identity confirmation by spectroscopic methods and purity assessment by HPLC. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. For long-term storage, consider desiccated conditions.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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