Description

Cyclopropylmethanethiol CAS NO 5617-79-8 is a specialized organosulfur compound featuring a cyclopropyl group attached to a methanethiol moiety. This unique structure makes it a valuable building block in organic synthesis, particularly for introducing the cyclopropylmethylthio functional group. It is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries. Its application is critical for the synthesis of novel compounds with potential biological activity.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), especially in medicinal chemistry programs targeting new therapeutic agents.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides where the cyclopropyl group confers specific biological properties.
• Ligand and Catalyst Development: Serves as a precursor for ligands in transition metal catalysis and organocatalysis, enabling novel synthetic transformations.
• Flavor and Fragrance Chemistry: Employed in the synthesis of complex sulfur-containing aroma compounds for high-value fragrance and flavor formulations.
• Material Science Research: Investigated as a monomer or modifier in the synthesis of specialty polymers and advanced materials with tailored properties.
• Chemical Biology Probes: Utilized to create molecular probes for studying enzyme mechanisms and protein interactions involving thiol groups.

Basic Information

Product Name	Cyclopropylmethanethiol
CAS No.	5617-79-8
Molecular Formula	C4H8S
Molecular Weight	88.17 g/mol
Synonyms	(Cyclopropylmethyl)thiol; Cyclopropylmethyl mercaptan; Cyclopropanemethanethiol; Mercaptomethylcyclopropane; Cyclopropylmethanethiol; Cyclopropyl methyl sulfide (common misnomer); Cyclopropylcarbinothiol
EINECS	227-048-8

Quality Control

Our Cyclopropylmethanethiol is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (GC, HPLC) and spectroscopic methods (NMR, IR), to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated industries.

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 area. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

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