Description

n-Acetyl-S-(2,4-Dimethylbenzene)-L-Cysteine is a specialized cysteine derivative, characterized by its acetylated amino group and a thioether linkage to a 2,4-dimethylbenzene moiety. This molecular architecture makes it a valuable intermediate and reference standard in advanced chemical synthesis and analytical research. It is primarily utilized by pharmaceutical R&D and biochemical laboratories for developing novel compounds and conducting metabolic studies.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a substrate or inhibitor in enzymatic studies and metabolic pathway investigations.
• Reference Standard: Serves as a high-purity analytical standard for method development and quality control in HPLC, LC-MS, and NMR.
• Proteomics & Peptide Chemistry: Useful for introducing protected cysteine analogs or specific aromatic modifications into synthetic peptides.
• Metabolite Studies: Employed in research related to xenobiotic metabolism and the identification of specific mercapturic acid pathway conjugates.

Basic Information

Product Name	n-Acetyl-S-(2,4-Dimethylbenzene)-L-Cysteine
CAS No.	581076-69-9
Molecular Formula	C₁₃H₁₇NO₃S
Molecular Weight	267.34 g/mol
Synonyms	N-Acetyl-S-(2,4-dimethylphenyl)-L-cysteine; N-Acetyl-S-(2,4-dimethylbenzyl)-L-cysteine (common misnomer); Acetyl-S-(2,4-dimethylphenyl)cysteine; L-Cysteine, N-acetyl-S-(2,4-dimethylphenyl)-; 2-Acetamido-3-[(2,4-dimethylphenyl)sulfanyl]propanoic acid; Mercapturic acid derivative of 2,4-dimethylbenzene; 581076-69-9; S-(2,4-Dimethylphenyl)-N-acetylcysteine
EINECS	Contact for details

Quality Control

Every batch of n-Acetyl-S-(2,4-Dimethylbenzene)-L-Cysteine is manufactured under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency, with specifications typically meeting or exceeding 98.0% purity (HPLC). Certificates of Analysis (COA) detailing chromatographic purity, chiral purity, and residual solvent levels 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). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% L-isomer
Water Content (KF)	≤ 1.0%
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.