Description

S-Methyl-Dl-Cysteine is a synthetic, sulfur-containing amino acid derivative. This compound is valued for its role as a biochemical precursor and a versatile building block in organic synthesis and pharmaceutical research. It is primarily utilized by research institutions and industrial manufacturers in the life sciences, pharmaceutical development, and fine chemical sectors.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used in metabolic pathway studies, enzyme substrate research, and as a standard in analytical chemistry.
• Nutritional Science: Investigated for its potential role as a source of bioavailable sulfur and cysteine in specialized nutritional formulations.
• Cosmetic Ingredient: Employed in the research and development of advanced skincare products for its potential antioxidant properties.
• Organic Synthesis: Acts as a versatile reagent for introducing protected thiol and amino functional groups into complex molecules.

Basic Information

Product Name	S-Methyl-Dl-Cysteine
CAS No.	19651-44-6
Molecular Formula	C4H9NO2S
Molecular Weight	135.19 g/mol
Synonyms	S-Methylcysteine; DL-S-Methylcysteine; (RS)-S-Methylcysteine; 2-Amino-3-(methylthio)propanoic acid; 3-(Methylthio)alanine; Methylcysteine; SMC
EINECS	243-194-5

Quality Control

Our S-Methyl-Dl-Cysteine is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets high-grade standards suitable for research and development. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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