Description

3-Chloro-1-Methyl-1H-Pyrazole-5-Carboxylic Acid is a versatile and high-purity heterocyclic building block essential for advanced organic synthesis. Its core value lies in its functionalized pyrazole ring, which serves as a critical precursor for constructing complex molecules with targeted biological activity. This compound is primarily needed by research institutions and manufacturers in the pharmaceutical and agrochemical industries for developing new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, leveraging its heterocyclic structure.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in catalytic processes and material science.
• Fine Chemical Production: Employed in the synthesis of dyes, pigments, and other performance chemicals requiring specific heterocyclic frameworks.
• Biochemical Research: Utilized as a building block in probe and inhibitor development for studying enzymatic pathways.
• Custom Synthesis and Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for bespoke synthesis projects.

Basic Information

Product Name	3-Chloro-1-Methyl-1H-Pyrazole-5-Carboxylic Acid
CAS No.	173841-02-6
Molecular Formula	C5H5ClN2O2
Molecular Weight	160.56 g/mol
Synonyms	3-Chloro-1-methyl-1H-pyrazole-5-carboxylic acid; 3-Chloro-1-methylpyrazole-5-carboxylic acid; 1-Methyl-3-chloro-1H-pyrazole-5-carboxylic acid; 5-Carboxy-3-chloro-1-methylpyrazole; 3-Chloro-1-methyl-5-pyrazolecarboxylic acid; 173841-02-6; 3-Chloro-1-methyl-1H-pyrazole-5-carboxylate
EINECS	Contact for details

Quality Control

Every batch of 3-Chloro-1-Methyl-1H-Pyrazole-5-Carboxylic Acid is produced and tested under strict quality management protocols to ensure consistency and reliability. Our standard grade meets high-purity specifications suitable for research and industrial synthesis. Comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, is performed to verify identity and purity. A Certificate of Analysis (COA) is provided with each shipment, detailing all relevant quality parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong acids, bases, and oxidizing agents. Due to its chemical nature, it is recommended to handle and store this material in accordance with good laboratory and manufacturing practices.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.