Description

3-Bromothiophene-2-Carboxaldehyde Diethyl Acetal is a versatile and high-purity brominated thiophene derivative, serving as a critical protected aldehyde intermediate in advanced organic synthesis. Its value lies in enabling the controlled introduction of the 3-bromo-2-formylthiophene moiety into complex molecular architectures, a key step for researchers and process chemists. This compound is essential for professionals in pharmaceutical R&D, agrochemical discovery, and materials science, particularly for the synthesis of active pharmaceutical ingredients (APIs), functional ligands, and novel heterocyclic compounds.

Application

• Pharmaceutical Intermediate: A key building block for synthesizing novel drug candidates, especially those containing functionalized thiophene cores.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides where the bromothiophene unit imparts specific biological activity.
• Material Science Precursor: Serves as a monomer or intermediate in the creation of conductive polymers, organic semiconductors, and specialty materials.
• Organic Synthesis Reagent: The diethyl acetal protecting group allows for selective reactions elsewhere on the molecule before deprotection, enabling complex multi-step syntheses.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research & Development: A fundamental reagent for academic and industrial research exploring new heterocyclic chemistry and reaction methodologies.

Basic Information

Product Name	3-Bromothiophene-2-Carboxaldehyde Diethyl Acetal
CAS No.	34042-95-0
Molecular Formula	C9H13BrO2S
Molecular Weight	265.17 g/mol
Synonyms	2-Bromo-3-thiophenecarboxaldehyde Diethyl Acetal; 3-Bromo-2-thiophenecarboxaldehyde Diethyl Acetal; 3-Bromothiophene-2-carbaldehyde Diethyl Acetal; Diethyl (3-Bromo-2-thienyl)methyl Acetal; 1,1-Diethoxy-3-bromothiophene-2-methane; (3-Bromo-2-thienyl)methanediol Diethyl Ether; 3-Bromo-2-thiophenecarboxaldehyde, Diethyl Acetal; 2-Formyl-3-bromothiophene Diethyl Acetal
EINECS	Contact for details

Quality Control

Our 3-Bromothiophene-2-Carboxaldehyde Diethyl Acetal is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing identity, assay, and impurity profiles to support your quality assurance protocols.

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 organic solvents. The container must be kept tightly closed to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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