Description

3-(5-Chlorothiophen-2-Yl)-1-Methyl-1H-Pyrazole-4-Carboxylic Acid is a high-purity heterocyclic building block of significant importance in advanced organic synthesis. This compound serves as a critical intermediate for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals, enabling the creation of complex molecular architectures. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for its versatile reactivity and structural features.

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 pesticides, herbicides, and fungicides, leveraging its heterocyclic core for biological activity.
• Chemical Research: Serves as a versatile building block in academic and industrial R&D for constructing complex heterocyclic compounds and exploring new chemical spaces.
• Material Science: Potential precursor for the synthesis of specialty polymers, ligands for catalysis, or organic electronic materials due to its functionalized structure.

Basic Information

Product Name	3-(5-Chlorothiophen-2-Yl)-1-Methyl-1H-Pyrazole-4-Carboxylic Acid
CAS No.	1157018-17-1
Molecular Formula	C9H7ClN2O2S
Molecular Weight	242.68 g/mol
Synonyms	1-Methyl-3-(5-chloro-2-thienyl)-1H-pyrazole-4-carboxylic acid; 3-(5-Chloro-2-thienyl)-1-methyl-1H-pyrazole-4-carboxylic acid; 1-Methyl-3-(5-chlorothiophen-2-yl)-1H-pyrazole-4-carboxylic acid; 4-Pyrazolecarboxylic acid, 3-(5-chloro-2-thienyl)-1-methyl-; 1157018-17-1; 3-(5-Chlorothiophen-2-yl)-1-methyl-1H-pyrazole-4-carboxylic acid; 3-(5-Chloro-2-thienyl)-1-methylpyrazole-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 3-(5-Chlorothiophen-2-Yl)-1-Methyl-1H-Pyrazole-4-Carboxylic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment, and we support compliance with cGMP and ISO 9001 standards for research and commercial applications.

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 strong acids and incompatible organic solvents. The container must be kept tightly sealed to protect the contents from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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