Description

5-Methylthiophene-2-Thiol is a sulfur-containing heterocyclic compound characterized by a distinctive thiophene backbone with methyl and thiol functional groups. This structure makes it a valuable and versatile intermediate for synthesizing complex molecules, particularly in the flavor and fragrance and pharmaceutical industries. It is primarily sought after by R&D chemists and production specialists for its role in creating sulfurous, meaty, and roasted flavor notes or as a building block for bioactive compounds.

Application

• Flavor & Fragrance Industry: A key intermediate for creating savory, meaty, roasted, and coffee-like flavor compounds.
• Pharmaceutical Synthesis: Serves as a crucial building block for the development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Intermediates: Used in the research and production of novel pesticides and herbicides.
• Organic Synthesis & Research: Acts as a versatile reagent for constructing complex thiophene-based structures in academic and industrial R&D.
• Material Science: Investigated as a monomer or precursor for conductive polymers and specialty materials.

Basic Information

Product Name	5-Methylthiophene-2-Thiol
CAS No.	3970-28-3
Molecular Formula	C5H6S2
Molecular Weight	130.23 g/mol
Synonyms	2-Mercapto-5-methylthiophene; 5-Methyl-2-thiophenethiol; 5-Methyl-2-thienyl mercaptan; 5-Methylthienyl-2-thiol; 2-Thienylthiol, 5-methyl-; 5-Methyl-2-thienylthiol; 2-Thiophenethiol, 5-methyl-
EINECS	223-596-6

Quality Control

Our 5-Methylthiophene-2-Thiol is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen) in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its sensitivity to oxidation and light, minimize exposure to air and direct light during handling.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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