Description

5-Chloro-4-(1-Methyl-1H-Pyrazol-5-Yl)Thiophene-2-Carboxylic Acid is a high-value heterocyclic building block featuring a fused thiophene and pyrazole core with a carboxylic acid functional group. This compound is critical for advanced research and development, particularly in the synthesis of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought after by pharmaceutical R&D laboratories, agrochemical companies, and fine chemical manufacturers for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly in kinase inhibitor programs.
• Agrochemical Synthesis: Used as a core building block for developing next-generation herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a precursor for organic electronic materials and functional polymers due to its conjugated thiophene system.
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for biological target validation.
• Custom Synthesis: A versatile starting material for contract research organizations (CROs) and CDMOs performing bespoke synthesis for clients.

Basic Information

Product Name	5-Chloro-4-(1-Methyl-1H-Pyrazol-5-Yl)Thiophene-2-Carboxylic Acid
CAS No.	1047630-55-6
Molecular Formula	C9H7ClN2O2S
Molecular Weight	242.68 g/mol
Synonyms	5-Chloro-4-(1-methyl-1H-pyrazol-5-yl)thiophene-2-carboxylic acid; 5-Chloro-4-(1-methyl-1H-pyrazol-5-yl)-2-thiophenecarboxylic acid; 2-Thiophenecarboxylic acid, 5-chloro-4-(1-methyl-1H-pyrazol-5-yl)-; 1047630-55-6; 5-Chloro-4-(1-methylpyrazol-5-yl)thiophene-2-carboxylic acid; 5-Chloro-4-(1-methyl-1H-pyrazol-5-yl)thiophene-2-carboxylate (acid form)
EINECS	Contact for details

Quality Control

Our production of 5-Chloro-4-(1-Methyl-1H-Pyrazol-5-Yl)Thiophene-2-Carboxylic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical characterization, including HPLC for purity, NMR for structural confirmation, and MS for identity verification. We provide detailed Certificates of Analysis (COA) with each shipment, ensuring full traceability and compliance with customer-specific requirements for research and development use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and organic solvents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.