Description

3-Chloro-1H-Indazol-5-Carbaldehyde is a versatile and high-value heterocyclic building block, essential for advanced organic synthesis. Its core value lies in its bifunctional reactivity, featuring both a reactive aldehyde group and a halogenated indazole scaffold, enabling the construction of complex molecular architectures. This compound is critically needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors, receptor antagonists, and other small-molecule drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic core for bioactivity.
• Material Science: Serves as a building block for creating functional organic materials, such as ligands for metal-organic frameworks (MOFs) or organic semiconductors.
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for studying biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis projects requiring specific, complex indazole derivatives.

Basic Information

Product Name	3-Chloro-1H-Indazol-5-Carbaldehyde
CAS No.	1086391-03-8
Molecular Formula	C8H5ClN2O
Molecular Weight	180.59 g/mol
Synonyms	5-Formyl-3-chloro-1H-indazole; 3-Chloro-1H-indazole-5-carboxaldehyde; 3-Chloro-5-formylindazole; 1H-Indazole-5-carboxaldehyde, 3-chloro-; 1086391-03-8; 3-Chloroindazole-5-carbaldehyde; 3-Chloro-5-indazolecarbaldehyde
EINECS	Contact for details

Quality Control

Our 3-Chloro-1H-Indazol-5-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure high purity and consistent performance for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your project specifications.

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). This compound is easily oxidized and should be handled under an inert atmosphere for long-term storage or when opening the primary container.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.