Description

Benzo[B]Thiophene-3-Carboxylic Acid, 7-Bromo-, Methyl Ester is a high-purity, specialized organic building block of significant interest in advanced chemical synthesis. This compound serves as a critical intermediate for constructing complex heterocyclic scaffolds, enabling the development of novel materials and active pharmaceutical ingredients. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for its unique brominated thiophene core.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting neurological disorders and oncology.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides due to its bioactive heterocyclic structure.
• Material Science: Serves as a monomer or building block for creating advanced organic electronic materials, such as semiconductors for OLEDs and OFETs.
• Chemical Synthesis: An essential reagent for Suzuki-Miyaura and other cross-coupling reactions to introduce functionalized thiophene units into larger molecules.
• Ligand Synthesis: Used in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Dye & Pigment Industry: Acts as an intermediate for synthesizing complex dyes and functional pigments.

Basic Information

Product Name	Benzo[B]Thiophene-3-Carboxylic Acid, 7-Bromo-, Methyl Ester
CAS No.	1699488-81-7
Molecular Formula	C10H7BrO2S
Molecular Weight	271.13 g/mol
Synonyms	7-Bromobenzo[b]thiophene-3-carboxylic acid methyl ester; Methyl 7-bromobenzo[b]thiophene-3-carboxylate; 7-Bromo-1-benzothiophene-3-carboxylic acid methyl ester; 7-Bromobenzo[b]thiophene-3-methyl carboxylate; 7-Bromo-3-(methoxycarbonyl)benzo[b]thiophene; 7-Bromobenzo[b]thien-3-yl methyl carboxylate; 7-Bromo-3-methoxycarbonylbenzo[b]thiophene
EINECS	Contact for details

Quality Control

Our Benzo[B]Thiophene-3-Carboxylic Acid, 7-Bromo-, Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and traceability for your research and development needs.

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, sparks, and open flame. The container should be kept tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
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.