Description

3-(Propylthio)Propanoic Acid is a specialized organosulfur compound featuring a propylthio side chain attached to a propanoic acid backbone, making it a valuable intermediate for fine chemical synthesis. Its structure offers unique reactivity for introducing sulfur-containing functional groups into target molecules, which is critical for developing advanced materials and active ingredients. This chemical is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring custom thioether linkages.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those requiring a lipophilic thioether moiety for enhanced bioavailability or targeted activity.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the sulfur atom contributes to biological activity and environmental stability.
• Ligand and Catalyst Preparation: Acts as a precursor for synthesizing specialized ligands used in transition metal catalysis, facilitating various cross-coupling and oxidation reactions.
• Polymer Modification: Employed to introduce sulfur-containing side chains into polymers, altering properties like adhesion, metal-chelating ability, or refractive index.
• Flavor and Fragrance Industry: Utilized as an intermediate for creating sulfur-containing aroma compounds that contribute to savory, roasted, or tropical notes.
• Chemical Research & Development: A versatile reagent for exploring new synthetic pathways and creating custom chemical entities in academic and industrial laboratories.

Basic Information

Item	Detail
Product Name	3-(Propylthio)Propanoic Acid
CAS No.	5402-63-1
Molecular Formula	C6H12O2S
Molecular Weight	148.22 g/mol
Synonyms	3-Propylsulfanylpropanoic acid; 3-Propylthiopropionic acid; Propyl 3-mercaptopropionate (related ester); β-(Propylthio)propionic acid; 3-(n-Propylthio)propanoic acid; NSC 404087; 3-Propylsulfanylpropionic acid
EINECS	226-447-6

Quality Control

Every batch of 3-(Propylthio)Propanoic Acid is manufactured under a strict quality management system and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Our products are supported by a detailed Certificate of Analysis (COA) that includes results from GC, HPLC, and NMR analyses. We adhere to cGMP principles where applicable, ensuring traceability and reliability for critical R&D and scale-up processes.

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/59-77°F). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.470 - 1.480
Density (g/mL at 20°C)	1.05 - 1.10

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