Description

n-Acetyl-S-(2,5-Dimethylbenzene)-L-Cysteine is a specialized cysteine derivative, characterized by its acetylated amino group and a thioether linkage to a 2,5-dimethylbenzene moiety. This molecular structure makes it a valuable intermediate and reference standard in advanced pharmaceutical research and development. It is primarily utilized by research institutions and manufacturers in the life sciences sector for applications such as metabolite synthesis and biochemical studies.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Metabolite Reference Standard: Used in analytical laboratories for the identification and quantification of drug metabolites in pharmacokinetic and bioanalytical studies.
• Biochemical Research: Serves as a precursor or substrate in enzymatic studies and proteomics research due to its modified cysteine structure.
• Peptide Synthesis: Employed in the development of modified peptides where a protected, lipophilic cysteine derivative is required.
• Toxicology Studies: Acts as a biomarker or standard in studies investigating the metabolic pathways and detoxification mechanisms of aromatic compounds.

Basic Information

Product Name	n-Acetyl-S-(2,5-Dimethylbenzene)-L-Cysteine
CAS No.	581076-70-2
Molecular Formula	C₁₃H₁₇NO₃S
Molecular Weight	267.34 g/mol
Synonyms	N-Acetyl-S-(2,5-dimethylphenyl)-L-cysteine; N-Acetyl-3-[(2,5-dimethylphenyl)thio]-L-alanine; L-Cysteine, N-acetyl-S-(2,5-dimethylphenyl)-; Acetylcysteine S-(2,5-dimethylphenyl) ether; 2-Acetamido-3-[(2,5-dimethylphenyl)sulfanyl]propanoic acid; (2R)-2-Acetamido-3-[(2,5-dimethylphenyl)sulfanyl]propanoic acid
EINECS	Contact for details

Quality Control

Our n-Acetyl-S-(2,5-Dimethylbenzene)-L-Cysteine is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Specific Rotation	Contact for details
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%

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