Description

n-Acetyl-S-(2,3-Dichlorophenyl)Cysteine is a specialized cysteine derivative characterized by its acetylated amino group and a 2,3-dichlorophenyl thioether moiety. This compound serves as a critical reference standard and synthetic intermediate in advanced chemical research and development. It is primarily utilized by pharmaceutical R&D laboratories and analytical chemistry teams for method development, metabolite studies, and the synthesis of more complex bioactive molecules.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity assessment, and quantification in analytical methods such as HPLC and LC-MS for drug development and quality control.
• Metabolite Synthesis & Study: Serves as a key intermediate or analog in the synthesis and research of drug metabolites, particularly for compounds undergoing cysteine conjugation pathways.
• Biochemical Research: Employed in proteomics and enzymology studies to investigate enzyme inhibition, protein modification, and thiol-reactive pathways.
• Organic Synthesis Building Block: Utilized as a chiral synthon for constructing more complex molecules in medicinal chemistry and fine chemical synthesis.
• Toxicology & Safety Assessment: Acts as a standard in studies investigating the metabolic fate and potential adduct formation of chlorinated aromatic compounds.

Basic Information

Product Name	n-Acetyl-S-(2,3-Dichlorophenyl)Cysteine
CAS No.	70278-04-5
Molecular Formula	C11H11Cl2NO3S
Molecular Weight	308.18 g/mol
Synonyms	N-Acetyl-3-[(2,3-dichlorophenyl)thio]-L-alanine; N-Acetyl-S-(2,3-dichlorophenyl)-L-cysteine; Ac-DCys(2,3-Cl2Ph)-OH; L-Cysteine, N-acetyl-S-(2,3-dichlorophenyl)-; 2-Acetamido-3-[(2,3-dichlorophenyl)sulfanyl]propanoic acid; (2R)-2-Acetamido-3-[(2,3-dichlorophenyl)sulfanyl]propanoic acid; A metabolite of 1,2,3-Trichloropropane
EINECS	Contact for details

Quality Control

Our n-Acetyl-S-(2,3-Dichlorophenyl)Cysteine is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation (IR, MS), to ensure it meets the stringent requirements for research and development. Certificates of Analysis (COA) with detailed chromatographic data 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. For long-term storage, consider storing at 2-8°C. The compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere when not in use.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (MS)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Chiral Purity	≥ 98.0% (L-Isomer)
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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