Description

5-(3,4-Dichlorophenyl)-1H-Pyrazole-3-Carboxylic Acid is a high-purity, heterocyclic carboxylic acid building block essential for advanced organic synthesis. Its core value lies in its versatile molecular scaffold, which serves as a critical precursor in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key synthetic precursor for the development of novel drug candidates, particularly in therapeutic areas requiring heterocyclic scaffolds.
• Agrochemical Research: Used in the synthesis of advanced herbicides, fungicides, and insecticides, leveraging its dichlorophenyl and pyrazole motifs.
• Chemical Biology Probe: Serves as a building block for creating molecular probes to study enzyme function and biological pathways.
• Material Science: Potential monomer or additive for synthesizing specialized polymers with unique thermal or chemical properties.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Product Name	5-(3,4-Dichlorophenyl)-1H-Pyrazole-3-Carboxylic Acid
CAS No.	276684-04-9
Molecular Formula	C10H6Cl2N2O2
Molecular Weight	257.07 g/mol
Synonyms	3,4-Dichloro-5-(1H-pyrazol-5-yl)benzoic Acid; 5-(3,4-Dichlorophenyl)-1H-pyrazole-3-carboxylic acid; 1H-Pyrazole-3-carboxylic acid, 5-(3,4-dichlorophenyl)-; 276684-04-9; 5-(3,4-Dichlorophenyl)pyrazole-3-carboxylic Acid; 3-Carboxy-5-(3,4-dichlorophenyl)pyrazole
EINECS	Contact for details

Quality Control

Our 5-(3,4-Dichlorophenyl)-1H-Pyrazole-3-Carboxylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

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 oxidizing agents and strong bases. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.