Description

7-Chloro-1H-Indazole is a versatile and high-value heterocyclic building block, essential for advanced organic synthesis. Its indazole core, functionalized with a chlorine atom at the 7-position, makes it a critical intermediate for constructing complex molecules with targeted biological activity. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of new active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in oncology, neurology, and anti-inflammatory research.
• Agrochemical Development: Used to create advanced fungicides, herbicides, and plant growth regulators.
• Material Science Research: Serves as a building block for organic electronic materials, such as OLEDs and conductive polymers.
• Chemical Biology & Proteomics: Employed in the design of molecular probes and enzyme inhibitors for biochemical studies.
• Custom Synthesis & Contract Manufacturing: A fundamental starting material for custom synthesis projects requiring functionalized indazole scaffolds.
• Academic Research: Utilized in universities and R&D labs for methodological development and exploring new chemical reactions.

Basic Information

Product Name	7-Chloro-1H-Indazole
CAS No.	37435-12-4
Molecular Formula	C7H5ClN2
Molecular Weight	152.58 g/mol
Synonyms	7-Chloroindazole; 7-Chloro-1H-indazole; 1H-Indazole, 7-chloro-; 37435-12-4; 7-Chloroindazol; 7-Chloro-1H-benzo[d]isoxazole; 7-Chloro-2H-indazole
EINECS	Contact for details

Quality Control

Our 7-Chloro-1H-Indazole is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP standards for pharmaceutical applications and can accommodate custom purity requirements.

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 incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

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