Description

3,5-Dibromo-4-Methylthiophene-2-Carboxylic Acid is a high-value, multi-functional heterocyclic building block. This compound matters for its role as a critical synthetic intermediate in the development of advanced materials and active pharmaceutical ingredients (APIs). It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides and fungicides, leveraging the thiophene core for bioactivity.
• Material Science Precursor: Serves as a monomer or precursor for conductive polymers, organic semiconductors, and non-linear optical (NLO) materials.
• Ligand and Catalyst Development: The carboxylic acid functionality allows for derivatization into specialized ligands for metal catalysis and coordination chemistry.
• Organic Synthesis Building Block: Provides a versatile, halogenated thiophene scaffold for cross-coupling reactions (e.g., Suzuki, Stille) and further functionalization in complex molecule assembly.
• Research & Development: Essential for academic and industrial research exploring new chemical entities and reaction pathways in heterocyclic chemistry.

Basic Information

Product Name	3,5-Dibromo-4-Methylthiophene-2-Carboxylic Acid
CAS No.	856354-09-1
Molecular Formula	C7H4Br2O2S
Molecular Weight	311.98 g/mol
Synonyms	4-Methyl-3,5-dibromothiophene-2-carboxylic acid; 2-Carboxy-4-methyl-3,5-dibromothiophene; 3,5-Dibromo-4-methyl-2-thiophenecarboxylic acid; 3,5-Dibromo-4-methylthiophene-2-carboxylic acid; 856354-09-1; 4-Methyl-3,5-dibromo-2-thiophenecarboxylic acid
EINECS	Contact for details

Quality Control

Our 3,5-Dibromo-4-Methylthiophene-2-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and scale-up applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.