Description

3-Thioxobutyric Acid Butyl Ester is a specialized organic sulfur compound with the CAS registry number 18457-88-0. This chemical serves as a versatile intermediate and building block in advanced organic synthesis, valued for its thioester functionality. It is primarily sought by research and development laboratories, fine chemical manufacturers, and agrochemical producers for creating novel compounds and materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring thioester or sulfur-containing moieties.
• Agrochemical Synthesis: Acts as a key precursor in the development of novel pesticides, herbicides, and fungicides.
• Polymer Chemistry: Employed as a monomer or chain-transfer agent in the production of specialty polymers and materials with unique properties.
• Organic Synthesis Building Block: Utilized in research for constructing complex molecules, including heterocycles and natural product analogs, via its reactive thioester group.
• Flavor and Fragrance Industry: May serve as an intermediate for synthesizing specific sulfur-containing aroma compounds.
• Chemical Research: Applied in methodological studies and catalysis research as a model substrate or reagent.

Basic Information

Product Name	3-Thioxobutyric Acid Butyl Ester
CAS No.	18457-88-0
Molecular Formula	C8H14O2S
Molecular Weight	174.26 g/mol
Synonyms	Butyl 3-Thioxobutyrate; Butyl 3-Mercapto-3-oxobutanoate; Butyl 3-Oxo-3-thiobutanoate; 3-Thioxobutanoic Acid Butyl Ester; Butyl β-Thioxobutyrate; Butyl 3-Thioxobutanoate; 3-Oxobutanethioic Acid Butyl Ester
EINECS	242-337-5

Quality Control

Our 3-Thioxobutyric Acid Butyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and production requirements.

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, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.470 - 1.480
Density (20°C)	1.02 - 1.06 g/mL

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