Description

5-Hydroxy-1H-Indazole-4-Carbaldehyde is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound serves as a versatile and critical intermediate for constructing complex molecular architectures, particularly in pharmaceutical research and development. Its unique indazole core functionalized with both hydroxy and aldehyde groups makes it an essential precursor for medicinal chemists and fine chemical manufacturers targeting innovative drug candidates.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in oncology, neurology, and anti-inflammatory research.
• Agrochemical Development: Used in the research and production of advanced pesticides and herbicides, leveraging its heterocyclic structure for bioactivity.
• Material Science Research: Serves as a precursor for the development of specialty polymers, ligands, and functional organic materials.
• Biochemical Probe Synthesis: Utilized in creating molecular probes and diagnostic agents for biological and chemical sensing applications.
• Academic & Contract Research: Essential reagent for method development and exploratory synthesis in university and CRO (Contract Research Organization) laboratories.

Basic Information

Product Name	5-Hydroxy-1H-Indazole-4-Carbaldehyde
CAS No.	213330-84-8
Molecular Formula	C8H6N2O2
Molecular Weight	162.15 g/mol
Synonyms	5-Hydroxy-1H-indazole-4-carboxaldehyde; 4-Formyl-5-hydroxy-1H-indazole; 1H-Indazole-4-carboxaldehyde, 5-hydroxy-; 5-Hydroxyindazole-4-carbaldehyde; 213330-84-8; 5-Hydroxy-1H-indazol-4-yl-methanal
EINECS	Contact for details

Quality Control

Our 5-Hydroxy-1H-Indazole-4-Carbaldehyde is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity determination and spectroscopic methods for structural confirmation. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes to support your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle and store the material under an inert atmosphere for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.