Description

4,5-Dichloro-1H-Pyrazole-3-Carboxylic Acid is a versatile halogenated pyrazole derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its bifunctional structure, featuring both a reactive carboxylic acid group and a halogenated heterocyclic core, enabling its use in constructing complex molecules. This compound is primarily needed by research institutions and manufacturers in the pharmaceutical and agrochemical industries for the development of new active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold.
• Material Science Research: Serves as a precursor for the development of specialized polymers, ligands, and metal-organic frameworks (MOFs).
• Chemical Biology: Employed as a probe or linker molecule in biochemical research and proteomics studies.
• Custom Synthesis: A starting material for contract research organizations (CROs) and CDMOs performing bespoke synthesis for clients.

Basic Information

Product Name	4,5-Dichloro-1H-Pyrazole-3-Carboxylic Acid
CAS No.	115964-19-7
Molecular Formula	C4H2Cl2N2O2
Molecular Weight	180.98 g/mol
Synonyms	3-Pyrazolecarboxylic acid, 4,5-dichloro-1H-; 4,5-Dichloro-1H-pyrazole-3-carboxylic acid; 4,5-Dichloro-3-pyrazolecarboxylic acid; 1H-Pyrazole-3-carboxylic acid, 4,5-dichloro-; 4,5-Dichloro-1H-pyrazole-3-carboxylic acid; 115964-19-7 (CAS); 4,5-Dichloropyrazole-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 4,5-Dichloro-1H-Pyrazole-3-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. All material is characterized and tested against comprehensive in-house specifications, which typically include identity confirmation by spectroscopic methods, purity assay by HPLC, and control of key impurities. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to support your quality assurance and regulatory needs.

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 incompatible organic solvents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.