Description

3-(Butylthio)Propanoic Acid Methyl Ester is a sulfur-containing ester compound with the CAS number 23246-22-2, serving as a versatile intermediate in advanced organic synthesis. Its molecular structure, featuring a butylthioether linkage, makes it a valuable building block for introducing sulfur functionalities into target molecules. This product is primarily utilized by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for the synthesis of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those requiring thioether or sulfide moieties for biological activity.
• Agrochemical Synthesis: Building block for creating herbicides, fungicides, and plant growth regulators that incorporate sulfur-based functional groups.
• Flavor & Fragrance Ingredient: Intermediate for producing sulfur-containing aroma compounds that contribute to savory, roasted, or tropical notes.
• Polymer Modification: Used in the production of specialty polymers and resins, where the thioether group can impart specific properties like reduced crystallinity or altered solubility.
• Ligand & Catalyst Development: Serves as a starting material for synthesizing chelating ligands or organocatalysts used in asymmetric synthesis and metal complexation.
• Chemical Research (R&D): A valuable reagent for method development and exploring new synthetic pathways in academic and industrial laboratories.

Basic Information

Product Name	3-(Butylthio)Propanoic Acid Methyl Ester
CAS No.	23246-22-2
Molecular Formula	C8H16O2S
Molecular Weight	176.28 g/mol
Synonyms	Methyl 3-(Butylthio)propanoate; Methyl 3-(Butylmercapto)propionate; 3-(Butylthio)propionic Acid Methyl Ester; Methyl β-(Butylthio)propionate; NSC 163045; Butylthiopropionic Acid Methyl Ester; Propanoic acid, 3-(butylthio)-, methyl ester
EINECS	Contact for details

Quality Control

Our 3-(Butylthio)Propanoic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are 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 at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.460 - 1.470
Density (20°C)	0.98 - 1.02 g/mL

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