Description

4-(Methylsulfanyl)Butanoic Acid is a versatile sulfur-containing organic acid with a distinctive thioether functional group. This compound serves as a valuable intermediate and building block in advanced organic synthesis, offering unique reactivity for the introduction of sulfur moieties. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly those requiring sulfur-containing heterocycles or side chains.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where the methylsulfanyl group modulates biological activity.
• Flavor & Fragrance Ingredient: Serves as a precursor for sulfur-containing flavor compounds that contribute to savory, roasted, or meaty notes in food products.
• Organic Synthesis Reagent: Acts as a versatile reagent for introducing the 4-(methylsulfanyl)butyryl moiety into more complex molecular architectures.
• Material Science Research: Investigated as a monomer or modifier in the synthesis of specialty polymers with tailored properties.
• Chemical Research: Employed in academic and industrial R&D for methodological development and exploring new reaction pathways.

Basic Information

Product Name	4-(Methylsulfanyl)Butanoic Acid
CAS No.	32391-97-2
Molecular Formula	C5H10O2S
Molecular Weight	134.20 g/mol
Synonyms	4-(Methylthio)butyric Acid; 4-Methylsulfanylbutanoic Acid; 4-(Methylmercapto)butyric Acid; 4-Methylthiobutanoic Acid; 4-(Methylsulfanyl)butanoic acid; Butanoic acid, 4-(methylthio)-; γ-(Methylthio)butyric Acid
EINECS	251-045-8

Quality Control

Our 4-(Methylsulfanyl)Butanoic Acid is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity confirmation, and impurity profiles. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

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 and incompatible materials. Due to its acidic nature, handle with appropriate precautions and ensure containers are kept tightly sealed when not in use.

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)	1.480 - 1.490
Density (g/mL, 20°C)	1.10 - 1.15

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