Description

5-Chlorothianaphthene-3-Acetonitrile is a versatile and high-purity organic intermediate of significant importance in advanced chemical synthesis. This compound matters for its role as a key building block in the development of complex heterocyclic molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily needed by R&D chemists and process development scientists working on novel active ingredients, fine chemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those containing the thianaphthene (benzothiophene) scaffold for therapeutic applications.
• Agrochemical Synthesis: Serves as a building block for developing new herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Material Science Research: Used in the development of organic semiconductors, liquid crystals, and other functional materials due to its electron-accepting nitrile group and fused aromatic system.
• Fine Chemical Production: Employed in custom synthesis and contract manufacturing for producing specialized chemicals and complex organic molecules.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cross-coupling reactions and heterocyclic chemistry research.

Basic Information

Product Name	5-Chlorothianaphthene-3-Acetonitrile
CAS No.	23799-60-2
Molecular Formula	C₁₀H₆ClNS
Molecular Weight	207.68 g/mol
Synonyms	5-Chloro-1-benzothiophene-3-acetonitrile; 5-Chlorobenzo[b]thiophene-3-acetonitrile; 3-(Cyanomethyl)-5-chlorobenzo[b]thiophene; 5-Chloro-3-(cyanomethyl)benzo[b]thiophene; 5-Chlorothianaphthene-3-acetonitrile; 5-Chloro-1-benzothiophene-3-acetonitrile; (5-Chloro-1-benzothiophen-3-yl)acetonitrile
EINECS	Contact for details

Quality Control

Our 5-Chlorothianaphthene-3-Acetonitrile is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC, GC, and NMR, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles where applicable to support our customers in regulated industries.

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 strong oxidizing agents and incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 20 ppm

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