Description

Ethyl 5-Bromo-3-Methylbenzo[B]Thiophene-2-Carboxylate is a high-purity, synthetically valuable heterocyclic building block. This compound is essential for advanced organic synthesis, particularly in the development of novel pharmaceutical intermediates and functional materials. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the benzothiophene core.
• Material Science: Serves as a monomer or building block for organic semiconductors, liquid crystals, and advanced polymers due to its conjugated system.
• Chemical Synthesis: Employed in cross-coupling reactions (e.g., Suzuki, Stille) and functional group transformations to create diverse chemical libraries for screening.
• Academic & Industrial R&D: A critical reagent for methodological development and exploring new reaction pathways in heterocyclic chemistry.

Basic Information

Product Name	Ethyl 5-Bromo-3-Methylbenzo[B]Thiophene-2-Carboxylate
CAS No.	31310-24-4
Molecular Formula	C₁₂H₁₁BrO₂S
Molecular Weight	299.18 g/mol
Synonyms	5-Bromo-3-methylbenzo[b]thiophene-2-carboxylic acid ethyl ester; Ethyl 5-bromo-3-methyl-1-benzothiophene-2-carboxylate; 3-Methyl-5-bromobenzothiophene-2-carboxylic acid ethyl ester; 31310-24-4; Benzo[b]thiophene-2-carboxylic acid, 5-bromo-3-methyl-, ethyl ester
EINECS	Contact for details

Quality Control

Our production of Ethyl 5-Bromo-3-Methylbenzo[B]Thiophene-2-Carboxylate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer requirements for research or cGMP-grade material.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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