Description

3-Indazolinone is a versatile heterocyclic organic compound that serves as a critical synthetic intermediate and building block in advanced chemical synthesis. Its unique indazole-derived structure makes it a valuable precursor for developing pharmaceuticals, agrochemicals, and functional materials. This high-purity compound is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Serves as a core structure or precursor for electron-transport materials and emissive layer components in display and lighting technologies.
• Coordination Chemistry & Catalysis: Acts as a ligand for metal complexes used in homogeneous catalysis and materials science.
• Dye & Pigment Manufacturing: Employed as an intermediate in the synthesis of specialized dyes and organic pigments.
• Academic & Industrial R&D: A fundamental reagent for method development and exploring new chemical reactions in synthetic organic chemistry.

Basic Information

Product Name	3-Indazolinone
CAS No.	5686-93-1
Molecular Formula	C7H6N2O
Molecular Weight	134.14 g/mol
Synonyms	1H-Indazol-3-ol; 3-Hydroxyindazole; 3-Indazolol; Indazol-3-one; 3-Indazolinone; 1H-Indazol-3(2H)-one; 2,3-Dihydro-1H-indazol-3-one; 3-Oxo-2,3-dihydro-1H-indazole
EINECS	227-137-7

Quality Control

Our 3-Indazolinone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, identity confirmation by IR and NMR spectroscopy, and residual solvent analysis by GC. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, ensuring compliance with your research and production specifications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	245 - 250 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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