Description

Propanoic Acid, 3-[(Phenylmethyl)Thio]-, Ethyl Ester is a specialized sulfur-containing ester derivative of propanoic acid, offering unique reactivity and functional properties for advanced chemical synthesis. This compound is valued for its role as a versatile building block and intermediate in the development of complex organic molecules, particularly in fine chemical and pharmaceutical research. It serves the needs of R&D chemists and process development scientists in the agrochemical, pharmaceutical, and specialty chemical industries seeking to introduce specific thioether functionalities.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of active pharmaceutical ingredients (APIs), particularly those requiring a benzylthio-propionate moiety.
• Agrochemical Synthesis: Used in the production of novel herbicides, fungicides, and plant growth regulators where the thioether linkage is critical for biological activity.
• Fine Chemical Building Block: Serves as a versatile intermediate for constructing more complex molecules in flavors, fragrances, and advanced material science.
• Ligand and Catalyst Development: Employed in academic and industrial research for the synthesis of novel ligands used in asymmetric catalysis and metal complexation.
• Polymer Modification: Acts as a functional monomer or cross-linking agent in the synthesis of specialty polymers with tailored properties.

Basic Information

Product Name	Propanoic Acid, 3-[(Phenylmethyl)Thio]-, Ethyl Ester
CAS No.	40620-06-2
Molecular Formula	C₁₂H₁₆O₂S
Molecular Weight	224.32 g/mol
Synonyms	Ethyl 3-(Benzylthio)propionate; 3-(Benzylthio)propionic Acid Ethyl Ester; Ethyl 3-(Phenylmethylthio)propanoate; NSC 163045; Propanoic acid, 3-[(phenylmethyl)thio]-, ethyl ester; Ethyl β-(Benzylthio)propionate
EINECS	Contact for details

Quality Control

Our production of Propanoic Acid, 3-[(Phenylmethyl)Thio]-, Ethyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and industrial use. Each lot is characterized using advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability, though the product is typically stable at controlled room temperature for shorter periods. Keep container tightly sealed when not in use to minimize moisture uptake and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Refractive Index	1.520 - 1.530 @ 20°C
Density	1.08 - 1.12 g/mL @ 25°C

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