Description

Methyl 4-Bromo-5-Methylthiophene-2-Carboxylate is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. This compound is valued for its reactive bromine and ester functional groups, which enable precise molecular construction in complex chemical pathways. It is primarily sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents, including herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a precursor for the synthesis of conjugated polymers, organic semiconductors, and other functional electronic materials.
• Ligand and Catalyst Development: Employed in the creation of novel ligands and organocatalysts for asymmetric synthesis and other catalytic processes.
• Chemical Biology Probes: Utilized as a building block for synthesizing molecular probes to study biological systems and pathways.
• Custom Synthesis and Contract Manufacturing: A critical starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving global clients.

Basic Information

Product Name	Methyl 4-Bromo-5-Methylthiophene-2-Carboxylate
CAS No.	237385-15-8
Molecular Formula	C8H7BrO2S
Molecular Weight	247.11 g/mol
Synonyms	Methyl 4-bromo-5-methyl-2-thiophenecarboxylate; 4-Bromo-5-methylthiophene-2-carboxylic acid methyl ester; 2-Thiophenecarboxylic acid, 4-bromo-5-methyl-, methyl ester; 5-Methyl-4-bromothiophene-2-carboxylic acid methyl ester; Methyl 5-methyl-4-bromothiophene-2-carboxylate; 4-Bromo-5-methyl-2-thiophenecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 4-Bromo-5-Methylthiophene-2-Carboxylate 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. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your research and production requirements.

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 heat, sparks, and open flame.

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%

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