Description

Pentanethioic Acid o-Methyl Ester is a specialized organosulfur compound used as a key intermediate in advanced chemical synthesis. This product is valued for its unique reactivity profile, enabling the introduction of thioester and methyl ester functionalities in a single molecule. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring thioester or protected carboxylic acid moieties.
• Agrochemical Synthesis: Serves as a building block for creating novel herbicides, fungicides, and plant growth regulators.
• Material Science Research: Employed in the development of polymers and advanced materials with specific sulfur-containing functional groups.
• Chemical Research & Development: Acts as a versatile reagent in organic synthesis for constructing complex molecular architectures in academic and industrial R&D labs.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing specific sulfur-containing aroma compounds, subject to purity and regulatory compliance.

Basic Information

Item	Detail
Product Name	Pentanethioic Acid o-Methyl Ester
CAS No.	55283-58-4
Molecular Formula	C6H12O2S
Molecular Weight	148.22 g/mol
Synonyms	Methyl 4-(Methylthio)butanoate; 4-(Methylthio)butyric Acid Methyl Ester; Methyl 4-Methylthiobutyrate; Methyl γ-(Methylthio)butyrate; 4-Methylsulfanyl-butyric acid methyl ester; NSC 163083; Methyl 4-(methylmercapto)butyrate; γ-(Methylthio)butyric Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our Pentanethioic Acid o-Methyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key 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 room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 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.