Description

3,4-Bis(5-Chloro-2-Methylthiophen-3-Yl)-2,5-Dihydrothiophene is a high-purity, specialized heterocyclic organic compound serving as a critical advanced intermediate in modern chemical synthesis. Its unique fused thiophene structure makes it an essential building block for the development of novel functional materials, particularly in the electronics and pharmaceutical sectors. This compound is primarily sought by R&D chemists and process development teams in the agrochemical, pharmaceutical, and organic electronics industries for creating new molecules with tailored properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), especially for targeted therapies.
• Agrochemical Research: Used in developing next-generation herbicides, fungicides, and insecticides with improved efficacy and environmental profiles.
• Organic Electronic Materials: Serves as a core structure for synthesizing organic semiconductors, hole-transport materials, and components for OLEDs and OFETs.
• Ligand and Catalyst Development: Employed in creating sophisticated ligands for transition metal catalysis and asymmetric synthesis.
• Material Science Research: A building block for novel polymers, dyes, and pigments with specific optical or electronic properties.
• Academic & Industrial R&D: A valuable reagent for exploratory chemistry and scaling new synthetic pathways in fine chemical production.

Basic Information

Product Name	3,4-Bis(5-Chloro-2-Methylthiophen-3-Yl)-2,5-Dihydrothiophene
CAS No.	528604-88-8
Molecular Formula	C14H10Cl2S3
Molecular Weight	345.32 g/mol
Synonyms	2,5-Dihydro-3,4-bis(5-chloro-2-methyl-3-thienyl)thiophene; 3,4-Bis(5-chloro-2-methyl-3-thienyl)-2,5-dihydrothiophene; 3,4-Di(5-chloro-2-methylthiophen-3-yl)-2,5-dihydrothiophene; 2,5-Dihydro-3,4-di(5-chloro-2-methyl-3-thienyl)thiophene; 3,4-Bis-(5-chloro-2-methyl-thiophen-3-yl)-2,5-dihydro-thiophene
EINECS	Contact for details

Quality Control

Our production of 3,4-Bis(5-Chloro-2-Methylthiophen-3-Yl)-2,5-Dihydrothiophene adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity against established specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes. We operate under a quality system designed to meet the rigorous standards of our global pharmaceutical and advanced material customers.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This compound should be handled and stored under an inert atmosphere to prevent potential oxidation and to ensure long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 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.