Description

3-Chloro-4-Methoxybenzyl Mercaptan is a versatile organosulfur compound featuring a benzyl mercaptan core substituted with chloro and methoxy groups. This structure makes it a valuable intermediate and building block in advanced organic synthesis, particularly for the development of pharmaceuticals and agrochemicals. It is primarily sought by R&D chemists and process development teams in the fine chemical, pharmaceutical, and crop protection industries for constructing complex molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring a thioether linkage.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and insecticides.
• Ligand and Catalyst Preparation: Serves as a precursor for creating specialized ligands used in metal-catalyzed reactions.
• Material Science Research: Employed in the development of novel polymers and functional materials with specific chemical properties.
• Custom Synthesis: A starting material for contract research organizations (CROs) and CDMOs performing bespoke chemical synthesis.
• Chemical Derivatization: Used to introduce the 3-chloro-4-methoxybenzylthio moiety into target molecules for structure-activity relationship (SAR) studies.

Basic Information

Product Name	3-Chloro-4-Methoxybenzyl Mercaptan
CAS No.	63550-21-0
Molecular Formula	C8H9ClOS
Molecular Weight	188.67 g/mol
Synonyms	(3-Chloro-4-methoxyphenyl)methanethiol; 3-Chloro-4-methoxybenzenemethanethiol; 1-Chloro-2-methoxy-4-(mercaptomethyl)benzene; 3-Chloro-4-methoxybenzylthiol; 4-Methoxy-3-chlorobenzyl Mercaptan; α-Mercapto-3-chloro-4-methoxytoluene; 3-Chloro-p-anisyl mercaptan
EINECS	Contact for details

Quality Control

Our 3-Chloro-4-Methoxybenzyl Mercaptan is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 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.