Description

3-Bromo-4-Iodothiophene is a high-purity halogenated thiophene derivative, a crucial building block in advanced organic synthesis. Its unique structure, featuring both bromine and iodine substituents, makes it an exceptionally versatile intermediate for constructing complex heterocyclic systems and functional materials. This compound is primarily sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science sectors for developing novel active ingredients and electronic components.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in the synthesis of complex thiophene-based heterocycles with potential therapeutic activity.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the thiophene core contributes to biological activity.
• Organic Electronic Materials: Serves as a fundamental building block for π-conjugated systems in organic semiconductors, OLEDs (Organic Light-Emitting Diodes), and OFETs (Organic Field-Effect Transistors).
• Ligand and Catalyst Preparation: Utilized in the synthesis of specialized ligands for transition metal catalysis and coordination chemistry.
• Chemical Research & Development: An essential reagent for cross-coupling reactions (e.g., Suzuki, Stille, Negishi) due to the differential reactivity of the bromine and iodine atoms, enabling sequential functionalization.
• Functional Polymer Monomer: Acts as a monomer or co-monomer precursor for creating polymers with specific electronic or optical properties.

Basic Information

Product Name	3-Bromo-4-Iodothiophene
CAS No.	73882-41-4
Molecular Formula	C4H2BrIS
Molecular Weight	288.93 g/mol
Synonyms	4-Bromo-3-iodothiophene; 3-Bromo-4-iodothiophene; Thiophene, 3-bromo-4-iodo-; 3-Bromo-4-iodo-thiophene; 3-Bromo-4-iodothiophene, 97%; 4-Iodo-3-bromothiophene; 73882-41-4; 3-Br-4-I-thiophene
EINECS	Contact for details

Quality Control

Our 3-Bromo-4-Iodothiophene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including GC, HPLC, NMR, and IR spectroscopy for comprehensive characterization. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your R&D and production 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 strong acids and incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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