Description

3-Bromo-5-Methylbenzo[B]Thiophene-2-Carbaldehyde is a high-purity, multi-functional heterocyclic building block essential for advanced organic synthesis. This compound matters as a key intermediate for constructing complex molecular architectures, particularly in the development of novel pharmaceuticals and functional materials. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating new active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and oncological pathways.
• Agrochemical Research: Used in the development of new generation herbicides, fungicides, and pesticides, leveraging its unique heterocyclic structure.
• Material Science: Serves as a building block for organic semiconductors, liquid crystals, and other functional organic materials due to its electron-rich thiophene core.
• Chemical Synthesis: The aldehyde and bromo functional groups allow for versatile cross-coupling reactions (e.g., Suzuki, Heck) and further derivatization, making it a valuable tool for medicinal chemistry.
• Dye & Pigment Industry: Acts as an intermediate for synthesizing specialized dyes and pigments with specific light-absorption properties.

Basic Information

Product Name	3-Bromo-5-Methylbenzo[B]Thiophene-2-Carbaldehyde
CAS No.	50563-02-5
Molecular Formula	C10H7BrOS
Molecular Weight	255.13 g/mol
Synonyms	3-Bromo-5-methylbenzo[b]thiophene-2-carboxaldehyde; 3-Bromo-5-methyl-1-benzothiophene-2-carbaldehyde; 2-Formyl-3-bromo-5-methylbenzo[b]thiophene; 5-Methyl-3-bromobenzo[b]thiophene-2-carboxaldehyde; 50563-02-5; Benzo[b]thiophene-2-carboxaldehyde, 3-bromo-5-methyl-; 3-Bromo-5-methylbenzo[b]thiophene-2-carbaldehyde
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Methylbenzo[B]Thiophene-2-Carbaldehyde is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our commitment to quality supports your R&D and scale-up processes with reliable, high-grade material.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.