Description

1-(2-Chloro-Benzyl)-1H-Pyrazole-4-Carboxylic Acid is a high-purity, synthetically versatile organic building block. This compound is valued for its role as a key intermediate in the synthesis of more complex molecules, particularly in pharmaceutical research and development. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting various disease pathways.
• Agrochemical Research: Used in the development and optimization of new herbicides, fungicides, and insecticides, leveraging its pyrazole-carboxylic acid scaffold.
• Chemical Synthesis: Serves as a versatile precursor for further functionalization, including amide coupling, esterification, and metal-catalyzed cross-coupling reactions.
• Material Science: Potential intermediate in the creation of specialty polymers, ligands for catalysis, or organic electronic materials due to its aromatic and heterocyclic structure.
• Academic & Contract Research: Employed in university and CRO (Contract Research Organization) laboratories for method development and exploratory synthesis projects.

Basic Information

Item	Detail
Product Name	1-(2-Chloro-Benzyl)-1H-Pyrazole-4-Carboxylic Acid
CAS No.	877977-33-8
Molecular Formula	C11H9ClN2O2
Molecular Weight	236.66 g/mol
Synonyms	1-[(2-Chlorophenyl)methyl]-1H-pyrazole-4-carboxylic acid; 1-(2-Chlorobenzyl)-1H-pyrazole-4-carboxylic acid; 1H-Pyrazole-4-carboxylic acid, 1-[(2-chlorophenyl)methyl]-; 877977-33-8; 1-(2-Chloro-benzyl)-1H-pyrazole-4-carboxylic acid; 1-(o-Chlorobenzyl)-1H-pyrazole-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our 1-(2-Chloro-Benzyl)-1H-Pyrazole-4-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay and impurity profiles are available for every shipment. We support development and commercial projects with material produced to meet GMP guidelines for intermediates where required.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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