Description

Methyl (4-Bromobenzoyl)-L-Cysteinate is a high-purity, synthetic amino acid derivative designed for advanced research and pharmaceutical development. This compound serves as a critical chiral building block and intermediate in the synthesis of complex bioactive molecules. It is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors requiring precise molecular scaffolds for drug discovery and process chemistry.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the research and development of novel therapeutic agents, including protease inhibitors and other targeted drugs.
• Peptide Chemistry: Used in the synthesis of modified peptides and peptidomimetics to study structure-activity relationships and enhance metabolic stability.
• Chemical Biology Probes: Acts as a precursor for designing activity-based probes and molecular tools to study enzyme function and cellular pathways.
• Academic & Industrial R&D: Serves as a standard or starting material in organic synthesis projects within university laboratories and corporate R&D centers.
• Process Development: Employed in scaling up synthetic routes for active pharmaceutical ingredients (APIs) under Good Manufacturing Practice (GMP) conditions.

Basic Information

Product Name	Methyl (4-Bromobenzoyl)-L-Cysteinate
CAS No.	1947408-74-3
Molecular Formula	C11H12BrNO3S
Molecular Weight	318.19 g/mol
Synonyms	L-Cysteine, S-[(4-bromobenzoyl)]-, methyl ester; Methyl S-(4-Bromobenzoyl)-L-cysteinate; (2R)-2-Amino-3-[(4-bromobenzoyl)sulfanyl]propanoic acid methyl ester; Methyl (4-Bromobenzoyl)-L-cysteinate; (R)-Methyl 2-amino-3-((4-bromobenzoyl)thio)propanoate; 1947408-74-3; Methyl (4-Bromobenzoyl)cysteinate
EINECS	Contact for details

Quality Control

Our Methyl (4-Bromobenzoyl)-L-Cysteinate is manufactured under strict quality systems to ensure batch-to-batch consistency and high purity. Each lot is characterized and tested using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, supporting compliance with research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The product is moisture-sensitive; keep the container tightly sealed under an inert atmosphere if necessary for long-term storage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Optical Rotation	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents	Complies with ICH guidelines
Water Content (KF)	< 0.5%

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