Description

2,3-Dimethyl-2-Cyclopentene-1-Thione is a specialized sulfur-containing heterocyclic compound that serves as a valuable intermediate in advanced organic synthesis. Its unique thiocarbonyl functional group makes it a critical building block for the development of novel pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for research and production chemists in the fine chemical, pharmaceutical, and material science industries seeking to introduce sulfur-based moieties into complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing thioamide or heterocyclic sulfur functionalities.
• Agrochemical Synthesis: Building block for developing novel pesticides, herbicides, and fungicides where the thiocarbonyl group contributes to biological activity.
• Material Science Research: Used in the development of organic semiconductors, ligands for metal-organic frameworks (MOFs), and other advanced functional materials.
• Flavor & Fragrance Industry: Intermediate for synthesizing sulfur-containing aroma compounds that contribute to meaty, roasted, or savory notes.
• Organic Synthesis Reagent: Versatile reagent for cyclization reactions, thio-Claisen rearrangements, and as a thiocarbonyl transfer agent in laboratory-scale and process chemistry.
• Chemical Research & Development: Valuable reference standard and starting material for academic and industrial R&D exploring new reaction methodologies and heterocyclic chemistry.

Basic Information

Product Name	2,3-Dimethyl-2-Cyclopentene-1-Thione
CAS No.	38693-65-1
Molecular Formula	C7H10S
Molecular Weight	126.22 g/mol
Synonyms	2,3-Dimethyl-2-cyclopenten-1-thione; 2-Cyclopentene-1-thione, 2,3-dimethyl-; 2,3-Dimethylcyclopent-2-ene-1-thione; 2,3-Dimethyl-1-cyclopentene-1-thione; 2,3-Dimethyl-2-cyclopentenone thione; Thiocamphor analog (structural); 2,3-Dimethyl-δ²-cyclopenten-1-thione
EINECS	Contact for details

Quality Control

Our production of 2,3-Dimethyl-2-Cyclopentene-1-Thione adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and tested using advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging during storage.

Specification

Item	Specification
Appearance	Yellow to amber liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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