Description

2,3,5-Trichlorothiophene CAS NO 17249-77-3 is a halogenated heterocyclic compound that serves as a versatile and critical synthetic intermediate in advanced organic chemistry. Its unique structure, featuring a thiophene ring with three chlorine substituents, makes it a valuable building block for creating complex molecules with tailored properties. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Building block for developing advanced pesticides, herbicides, and fungicides with enhanced efficacy and environmental profiles.
• Material Science: Used in the research and production of specialty polymers, liquid crystals, and organic electronic materials.
• Chemical Research: A valuable reagent in organic synthesis for constructing complex heterocyclic systems and for studying structure-activity relationships (SAR).
• Dye and Pigment Manufacturing: Intermediate in the synthesis of specialized colorants and functional dyes.

Basic Information

Product Name	2,3,5-Trichlorothiophene
CAS No.	17249-77-3
Molecular Formula	C4HCl3S
Molecular Weight	187.47 g/mol
Synonyms	2,3,5-Trichlorothiophene; Thiophene, 2,3,5-trichloro-; NSC 403124; 2,3,5-Trichloro-thiophene; 2,3,5-Trichlorothiofuran; Trichlorothiophene (mixed isomers)
EINECS	Contact for details

Quality Control

Our 2,3,5-Trichlorothiophene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications 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 room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	40 - 44 °C

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