Description

3-(Benzylthio)Propionic Acid Methyl Ester is a sulfur-containing organic ester with the CAS number 5331-36-2. This compound serves as a versatile intermediate and building block in advanced organic synthesis, valued for its unique thioether linkage and ester functionality. It is primarily sought after by research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a benzyl-protected thiol or a specific sulfur-containing side chain.
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and fungicides where the thioether group can contribute to biological activity.
• Organic Synthesis Reagent: Acts as a versatile synthon in organic chemistry for Michael additions, nucleophilic substitutions, and other C-S bond-forming reactions.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal catalysis or as a precursor for functional materials.
• Flavor & Fragrance Industry: Potential use as an intermediate for synthesizing sulfur-containing aroma compounds, subject to purity and regulatory compliance.
• Polymer Modification: Can be used to introduce sulfur functionalities into polymer backbones for specialty material properties.

Basic Information

Product Name	3-(Benzylthio)Propionic Acid Methyl Ester
CAS No.	5331-36-2
Molecular Formula	C11H14O2S
Molecular Weight	210.29 g/mol
Synonyms	Methyl 3-(Benzylthio)propionate; Methyl 3-(Phenylmethylthio)propanoate; 3-(Benzylsulfanyl)propionic acid methyl ester; Propanoic acid, 3-[(phenylmethyl)thio]-, methyl ester; Benzyl 3-methoxy-3-oxopropyl sulfide
EINECS	226-224-8

Quality Control

Our production of 3-(Benzylthio)Propionic Acid Methyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your synthetic processes. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. For customers with specific requirements, we can discuss compliance with relevant guidelines for research or cGMP starting materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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