Description

3-Bromo-4-Formylthiophene is a high-purity, versatile heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in the strategic positioning of both bromo and formyl functional groups on the thiophene ring, enabling precise and sequential functionalization. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require a reliable, high-quality intermediate for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing functionalized thiophene cores.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the thiophene moiety imparts specific biological activity.
• Organic Electronic Materials: Serves as a fundamental 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 and organocatalysts.
• Chemical Research & Development: A valuable reagent for exploring new cross-coupling reactions (e.g., Suzuki, Stille) and nucleophilic addition chemistry in academic and industrial R&D settings.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized dyes and functional pigments.

Basic Information

Product Name	3-Bromo-4-Formylthiophene
CAS No.	18791-78-1
Molecular Formula	C5H3BrOS
Molecular Weight	191.05 g/mol
Synonyms	3-Bromo-4-thiophenecarboxaldehyde; 4-Formyl-3-bromothiophene; 3-Bromothiophene-4-carboxaldehyde; 3-Bromo-4-thiophenecarbaldehyde; 3-Bromothiophene-4-carbaldehyde; 18791-78-1; 3-Bromo-4-formylthiophene
EINECS	Contact for details

Quality Control

Our 3-Bromo-4-Formylthiophene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The compound is light-sensitive and should be handled under inert atmosphere for prolonged procedures to minimize potential degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 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.