Description

(S)-Methyl 3-(2-Methoxyphenylthio)-2-Methylpropanoate is a high-value chiral building block and synthetic intermediate of significant importance in advanced organic synthesis. Its core value proposition lies in its defined stereochemistry and functional groups, which enable the precise construction of complex molecular architectures. This compound is primarily needed by research institutions and pharmaceutical companies engaged in the development of active pharmaceutical ingredients (APIs), agrochemicals, and other fine chemicals where stereochemical purity is critical. The CAS number for this compound is 866760-15-8.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel therapeutic agents, particularly for constructing sulfur-containing bioactive molecules.
• Agrochemical Synthesis: Used in the synthesis of advanced pesticides and herbicides where specific stereoisomers exhibit enhanced biological activity.
• Asymmetric Catalysis Research: Serves as a substrate or ligand precursor in the development and study of new asymmetric catalytic reactions.
• Fine Chemical Production: Employed in the multi-step synthesis of complex flavors, fragrances, and specialty materials requiring high enantiomeric purity.
• Academic & R&D Laboratories: A valuable reagent for methodological studies in organic chemistry, particularly in C-S bond formation and stereoselective transformations.

Basic Information

Product Name	(S)-Methyl 3-(2-Methoxyphenylthio)-2-Methylpropanoate
CAS No.	866760-15-8
Molecular Formula	C12H16O3S
Molecular Weight	240.32 g/mol
Synonyms	(S)-Methyl 3-[(2-Methoxyphenyl)thio]-2-methylpropanoate; Methyl (S)-3-(2-Methoxyphenylthio)-2-methylpropionate; (S)-3-(2-Methoxyphenylthio)-2-methylpropionic acid methyl ester; 2-Methylpropanoic acid, 3-[(2-methoxyphenyl)thio]-, methyl ester, (S)-; (S)-Methyl 3-(o-Methoxyphenylthio)-2-methylpropanoate; (S)-Methyl 2-methyl-3-(2-methoxyphenylthio)propanoate
EINECS	Contact for details

Quality Control

Our production of (S)-Methyl 3-(2-Methoxyphenylthio)-2-Methylpropanoate adheres to stringent quality protocols to ensure batch-to-batch consistency and high enantiomeric purity. Each lot is characterized using advanced analytical techniques, including chiral HPLC, to verify identity and purity. Certificates of Analysis (COA) detailing specific test results are provided with every shipment. We support cGMP-compliant manufacturing for pharmaceutical applications upon request.

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). The compound may be sensitive to prolonged exposure to air and moisture; therefore, containers should be kept sealed under an inert atmosphere when not in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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