Description

2-Bromo-4-Chlorothiazole-5-Carboxylic Acid is a high-value, multi-functional heterocyclic building block essential for advanced organic synthesis. Its core value lies in its reactive halogen sites and carboxylic acid group, enabling precise molecular construction for complex target molecules. This compound is critically needed by R&D and production chemists in the pharmaceutical and agrochemical industries for developing new active ingredients.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in antiviral and antibacterial research.
• Agrochemical Synthesis: Serves as a crucial precursor in the manufacture of modern herbicides, fungicides, and insecticides.
• Material Science: Used in the synthesis of specialized polymers, ligands, and functional materials requiring a thiazole core.
• Cross-Coupling Reactions: The bromo and chloro substituents make it an excellent substrate for Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions.
• Chemical Research: A versatile starting material in academic and industrial R&D for exploring new heterocyclic chemistry and reaction pathways.

Basic Information

Product Name	2-Bromo-4-Chlorothiazole-5-Carboxylic Acid
CAS No.	139670-04-5
Molecular Formula	C4HBrClNO2S
Molecular Weight	242.47 g/mol
Synonyms	2-Bromo-4-chloro-1,3-thiazole-5-carboxylic acid; 4-Chloro-2-bromothiazole-5-carboxylic acid; 5-Carboxy-2-bromo-4-chlorothiazole; 139670-04-5; 2-Bromo-4-chlorothiazole-5-carboxylate
EINECS	Contact for details

Quality Control

Our 2-Bromo-4-Chlorothiazole-5-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing all specifications are provided with every 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 strong acids and organic solvents. The container must be kept tightly closed to prevent moisture absorption.

Specification

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