Description

4-Chloro (1H)Indazole is a versatile halogenated indazole derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its unique molecular scaffold, which is essential for constructing complex pharmacologically active compounds. This high-purity building block is primarily needed by pharmaceutical R&D teams and fine chemical manufacturers engaged in developing new active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors and other targeted therapeutic agents.
• Agrochemical Research: Used in developing novel fungicides and herbicides with specific modes of action.
• Material Science: Serves as a building block for organic electronic materials and advanced polymers.
• Chemical Biology: Employed as a molecular probe or scaffold in drug discovery and biochemical research.
• Academic & Contract Research: Utilized in universities and CROs for methodological development and novel compound library synthesis.

Basic Information

Product Name	4-Chloro (1H)Indazole
CAS No.	13096-96-3
Molecular Formula	C7H5ClN2
Molecular Weight	152.58 g/mol
Synonyms	4-Chloro-1H-indazole; 4-Chloroindazole; 1H-Indazole, 4-chloro-; 4-Chloroindazole (1H-Indazole, 4-chloro-); 4-Cl-1H-Indazole; 4-Chloro-indazole; 13096-96-3
EINECS	Contact for details

Quality Control

Our 4-Chloro (1H)Indazole is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials.

Specification

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