Description

3-Chloro-1H-Indazole is a versatile heterocyclic building block of significant importance in modern organic synthesis. Its core indazole scaffold, functionalized with a reactive chlorine atom, makes it a critical intermediate for constructing complex molecular architectures. This compound is primarily utilized by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various drug candidates, particularly those targeting kinase inhibition and other therapeutic pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides, leveraging its bioactive heterocyclic structure.
• Material Science: Serves as a building block for creating specialized organic ligands, dyes, and functional polymers.
• Chemical Synthesis: Employed in cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig) to introduce the indazole moiety into more complex molecules.
• Biochemical Tool Compound: Used in life science research to study biological processes and enzyme mechanisms.

Basic Information

Product Name	3-Chloro-1H-Indazole
CAS No.	29110-74-5
Molecular Formula	C7H5ClN2
Molecular Weight	152.58 g/mol
Synonyms	3-Chloroindazole; 3-Chloro-1H-indazole; 1H-Indazole, 3-chloro-; 3-Chloro-1H-benzo[d]pyrazole; 29110-74-5; 3-Chloroindazol; 3-Cl-1H-Indazole
EINECS	Contact for details

Quality Control

Our 3-Chloro-1H-Indazole is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance protocols.

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 oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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