Description

Cysteine, n-Acetyl-2-Methyl- is a modified amino acid derivative, specifically an N-acetylated and methylated form of cysteine. This chemical modification enhances its stability and alters its biochemical properties, making it a valuable intermediate for advanced research and synthesis. It is primarily utilized by the pharmaceutical, biotechnology, and fine chemical industries for applications in drug discovery, peptide synthesis, and as a building block for novel bioactive compounds. The CAS number for this compound is 116894-35-0.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of novel active pharmaceutical ingredients (APIs) and prodrugs.
• Peptide Synthesis: Used in solid-phase and solution-phase peptide synthesis to introduce modified cysteine residues, influencing peptide structure and stability.
• Biochemical Research: Acts as a precursor or inhibitor in enzymatic studies and metabolic pathway research due to its role in sulfur amino acid metabolism.
• Cosmetic & Personal Care: Investigated for potential use in skincare formulations for its antioxidant and possible skin-conditioning properties.
• Nutritional Science: Studied as a specialized nutrient or supplement ingredient in advanced nutritional research protocols.
• Fine Chemical Synthesis: Employed as a versatile intermediate for creating complex organic molecules, ligands, and catalysts in organic chemistry.

Basic Information

Product Name	Cysteine, n-Acetyl-2-Methyl-
CAS No.	116894-35-0
Molecular Formula	C6H11NO3S
Molecular Weight	177.22 g/mol
Synonyms	N-Acetyl-2-methylcysteine; 2-Methyl-N-acetylcysteine; N-Acetyl-S-methyl-L-cysteine; N-Acetyl-2-methyl-L-cysteine; N-Acetyl-S-methylcysteine; Acetyl methyl cysteine; (2R)-2-Acetamido-3-(methylsulfanyl)propanoic acid; 2-(Acetylamino)-3-(methylthio)propanoic acid
EINECS	Contact for details

Quality Control

Our Cysteine, n-Acetyl-2-Methyl- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with data from advanced techniques like HPLC, NMR, and mass spectrometry. Specifications can be tailored to meet the requirements of cGMP, ICH guidelines, and other relevant pharmacopeial standards for research and development use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation	Specific range available on COA
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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