Description

(S)-Methyl Thiobenzoate is a high-purity chiral building block and intermediate of significant importance in asymmetric synthesis. Its value lies in its role as a key precursor for the preparation of optically active compounds, particularly in the pharmaceutical and agrochemical sectors. This product is essential for researchers and manufacturers in fine chemical synthesis, pharmaceutical development, and advanced material science who require enantiomerically pure intermediates.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of active pharmaceutical ingredients (APIs) with specific stereochemistry.
• Agrochemical Synthesis: Used in the production of enantiomerically pure pesticides and herbicides for enhanced efficacy.
• Ligand and Catalyst Preparation: Serves as a precursor for chiral ligands and organocatalysts used in asymmetric catalysis.
• Fine Chemical Research: Employed in academic and industrial R&D for exploring new synthetic methodologies and novel compound libraries.
• Flavor and Fragrance Industry: Potential intermediate for the synthesis of specific chiral aroma chemicals.
• Material Science: Building block for advanced polymers and functional materials requiring chiral centers.

Basic Information

Product Name	(S)-Methyl Thiobenzoate
CAS No.	5925-68-8
Molecular Formula	C8H8OS
Molecular Weight	152.21 g/mol
Synonyms	(S)-Methyl Benzenecarbothioate; Methyl (S)-Thiobenzoate; (S)-Methyl Phenylthioformate; (S)-Thiobenzoic Acid Methyl Ester; Benzenecarbothioic Acid, Methyl Ester, (S)-; Methyl (S)-Phenylthioate; (S)-Methyl Benzenethiolate; (S)-MTB
EINECS	227-666-4

Quality Control

Our (S)-Methyl Thiobenzoate is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity (enantiomeric excess) determination by HPLC, identity confirmation by IR and NMR spectroscopy, and assay by titration. Certificates of Analysis (COA) with detailed chromatographic data are provided to ensure compliance with your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber glass or opaque.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% ee
Specific Rotation [α]	Contact for details
Water Content (KF)	≤ 0.5%

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