Description

4-Methylbenzenecarbothioic Acid o-Ethyl Ester is a specialized organosulfur compound, also known as S-Ethyl p-toluenethiosulfonate, that serves as a versatile reagent and building block in advanced chemical synthesis. Its value lies in its role as a sulfenylating agent and a protected thiol precursor, enabling the introduction of sulfur-containing functional groups into target molecules. This compound is primarily needed by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for developing new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Used in the synthesis of drug candidates, particularly those containing sulfur-based pharmacophores or requiring specific thioether linkages.
• Agrochemical Synthesis: Serves as a key building block for creating novel pesticides, herbicides, and fungicides where the ethylthio group is integral to biological activity.
• Polymer Modification: Employed as a functionalization agent to introduce sulfur-containing side chains into polymers, altering their physical or chemical properties.
• Organic Synthesis Reagent: Acts as a sulfenyl source in various organic transformations, including electrophilic additions and cross-coupling reactions.
• Material Science Research: Utilized in the development of advanced materials, such as self-assembled monolayers (SAMs) or conductive polymers.
• Chemical Biology Probes: Functions as a reagent for labeling or modifying proteins and peptides in biochemical research.

Basic Information

Product Name	4-Methylbenzenecarbothioic Acid o-Ethyl Ester
CAS No.	26028-04-6
Molecular Formula	C10H12O2S2
Molecular Weight	228.33 g/mol
Synonyms	S-Ethyl p-toluenethiosulfonate; p-Toluenesulfonothioic Acid S-Ethyl Ester; Ethyl p-Toluenethiosulfonate; Benzenesulfonothioic Acid, 4-methyl-, S-ethyl ester; S-Ethyl 4-methylbenzenesulfonothioate; Toluenesulfonothioic Acid S-Ethyl Ester; 4-Methylbenzenesulfonothioic Acid S-Ethyl Ester
EINECS	Contact for details

Quality Control

Our 4-Methylbenzenecarbothioic Acid o-Ethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flames. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details

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