Description

Thiophene, 2,5-Dibromo-3-Chloro- is a halogenated thiophene derivative, a crucial building block in advanced organic synthesis and materials science. Its value lies in its multi-functional halogen substituents, which enable precise and versatile chemical modifications for creating complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the development of new-generation pesticides and herbicides, where the thiophene core contributes to biological activity.
• Organic Electronic Materials: Acts as a monomer or building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis, facilitating novel cross-coupling and other synthetic transformations.
• Chemical Research & Development: A versatile scaffold for medicinal chemistry and material science research, enabling structure-activity relationship (SAR) studies and the exploration of new chemical spaces.
• Specialty Polymer Modification: Used to introduce halogenated thiophene units into polymer backbones to alter electronic properties, solubility, and thermal stability.

Basic Information

Product Name	Thiophene, 2,5-Dibromo-3-Chloro-
CAS No.	32431-91-7
Molecular Formula	C4HBr2ClS
Molecular Weight	286.82 g/mol
Synonyms	3-Chloro-2,5-dibromothiophene; 2,5-Dibromo-3-chlorothiophene; 2,5-Dibromo-3-chlorothiofuran; Thiophene, 3-chloro-2,5-dibromo-; 3-Chloro-2,5-dibromo-thiophene
EINECS	Contact for details

Quality Control

Our Thiophene, 2,5-Dibromo-3-Chloro- is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including HPLC, GC, and NMR, to verify identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory requirements.

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 heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or an opaque secondary container until use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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