Description

5-Hydroxy-1H-Indazole-3-Carboxaldehyde is a versatile heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key precursor for constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and functional materials. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel indazole-based compounds.

Application

• Pharmaceutical Intermediate: A critical starting material for the synthesis of novel drug candidates, particularly kinase inhibitors and other biologically active molecules containing the indazole scaffold.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators that leverage the indazole core's bioactivity.
• Ligand Synthesis: Serves as a precursor for creating complex chelating ligands used in catalysis and material science.
• Functional Material Development: Employed in the research and production of organic electronic materials, dyes, and pigments.
• Academic & Contract Research: Essential for medicinal chemistry programs and custom synthesis projects in university and CRO (Contract Research Organization) laboratories.
• Chemical Biology Probes: Used to develop molecular probes for studying enzyme function and cellular pathways.

Basic Information

Product Name	5-Hydroxy-1H-Indazole-3-Carboxaldehyde
CAS No.	882803-11-4
Molecular Formula	C8H6N2O2
Molecular Weight	162.15 g/mol
Synonyms	1H-Indazole-3-carboxaldehyde, 5-hydroxy-; 5-Hydroxyindazole-3-carboxaldehyde; 5-Hydroxy-1H-indazole-3-carbaldehyde; 3-Formyl-5-hydroxy-1H-indazole; 5-Hydroxy-1H-indazole-3-carboxylic aldehyde; 882803-11-4; 5-HO-1H-Indazole-3-CHO
EINECS	Contact for details

Quality Control

Our 5-Hydroxy-1H-Indazole-3-Carboxaldehyde is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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