Description

5-(4-Chloro-Phenyl)-1-Methyl-1H-Pyrazole-3-Carboxylic Acid is a high-purity, versatile pyrazole carboxylic acid derivative serving as a critical building block in advanced organic synthesis. This compound is valued for its precise molecular structure, which enables the development of novel active ingredients and functional materials. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for use as a key synthetic intermediate.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting inflammation, metabolic disorders, and central nervous system (CNS) diseases.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Ligand & Catalyst Development: Serves as a starting material for creating complex ligands used in catalytic systems and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the development of advanced polymers and organic electronic materials due to its functional carboxylic acid group.
• Custom Synthesis & Contract Manufacturing: A fundamental building block for custom chemical synthesis services, supporting innovation across multiple R&D sectors.

Basic Information

Product Name	5-(4-Chloro-Phenyl)-1-Methyl-1H-Pyrazole-3-Carboxylic Acid
CAS No.	957513-70-1
Molecular Formula	C11H9ClN2O2
Molecular Weight	236.65 g/mol
Synonyms	1-Methyl-5-(4-chlorophenyl)-1H-pyrazole-3-carboxylic acid; 5-(p-Chlorophenyl)-1-methyl-1H-pyrazole-3-carboxylic acid; 1-Methyl-5-(4'-chlorophenyl)pyrazole-3-carboxylic acid; 957513-70-1; 5-(4-Chlorophenyl)-1-methyl-1H-pyrazole-3-carboxylic acid; 5-(4-Chloro-phenyl)-1-methyl-1H-pyrazole-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 5-(4-Chloro-Phenyl)-1-Methyl-1H-Pyrazole-3-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supplied with a corresponding Certificate of Analysis (COA). We support compliance with cGMP and ISO 9001 standards for research and development 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 oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Purity (HPLC)	≥ 98.5%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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