Description

5-Chloro-3-Methyl-1-Phenyl-1H-Pyrazole-4-Carboxylic Acid is a high-purity, versatile pyrazole derivative serving as a critical building block in advanced chemical synthesis. This compound matters for its role as a key intermediate in the development of active pharmaceutical ingredients (APIs) and agrochemicals, where its specific substitution pattern enables precise molecular modifications. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel compounds with targeted biological activity.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly in medicinal chemistry research for developing anti-inflammatory, analgesic, or antimicrobial agents.
• Agrochemical Synthesis: Serves as a key building block for creating advanced pesticides, herbicides, and fungicides, leveraging the pyrazole core's bioactivity.
• Chemical Research & Development: Used in academic and industrial R&D labs for exploring new heterocyclic compounds and conducting structure-activity relationship (SAR) studies.
• Specialty Chemical Production: Employed in the manufacture of dyes, pigments, and other performance chemicals where the pyrazole structure imparts specific properties.
• Ligand Synthesis: Can be utilized for creating complexing agents or ligands in coordination chemistry and catalysis.

Basic Information

Product Name	5-Chloro-3-Methyl-1-Phenyl-1H-Pyrazole-4-Carboxylic Acid
CAS No.	1140-38-1
Molecular Formula	C11H9ClN2O2
Molecular Weight	236.66 g/mol
Synonyms	5-Chloro-3-methyl-1-phenyl-1H-pyrazole-4-carboxylic acid; 1-Phenyl-5-chloro-3-methylpyrazole-4-carboxylic acid; 4-Pyrazolecarboxylic acid, 5-chloro-3-methyl-1-phenyl-; 5-Chloro-3-methyl-1-phenylpyrazole-4-carboxylic acid; 1H-Pyrazole-4-carboxylic acid, 5-chloro-3-methyl-1-phenyl-; 5-Chloro-3-methyl-1-phenyl-1H-pyrazole-4-carboxylate (acid form); 1140-38-1 (CAS); 5-Cl-3-Me-1-Ph-pyrazole-4-COOH
EINECS	Contact for details

Quality Control

Our 5-Chloro-3-Methyl-1-Phenyl-1H-Pyrazole-4-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic intermediates. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and oxidizing agents. The material may be light-sensitive; prolonged exposure to light should be avoided.

Specification

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