Description

1-Phenyl-6,7-dihydro-1H-indazol-4(5H)-one is a versatile heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its unique fused indazolone structure makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and functional materials. This high-purity compound is essential for research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and oncology targets.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science Research: Serves as a precursor for organic electronic materials, including charge-transport layers and light-emitting components.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying enzyme function and cellular pathways.
• Academic & Contract Research: A fundamental reagent for synthetic organic chemistry research in universities and contract research organizations (CROs).
• Dye & Pigment Intermediate: Potential use in the synthesis of specialized dyes and pigments due to its conjugated system.

Basic Information

Product Name	1-Phenyl-6,7-dihydro-1H-indazol-4(5H)-one
CAS No.	14823-31-5
Molecular Formula	C13H12N2O
Molecular Weight	212.25 g/mol
Synonyms	1-Phenyl-4,5,6,7-tetrahydro-1H-indazol-4-one; 4,5,6,7-Tetrahydro-1-phenyl-1H-indazol-4-one; 1-Phenyl-4,5,6,7-tetrahydroindazol-4-one; 1-Phenyl-6,7-dihydro-1H-indazol-4(5H)-one; 1-Phenyl-4,5,6,7-tetrahydro-1H-indazol-4-ol; 14823-31-5; 1-Phenyl-1,4,5,6,7,8-hexahydroindazol-4-one
EINECS	Contact for details

Quality Control

Our 1-Phenyl-6,7-dihydro-1H-indazol-4(5H)-one is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
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.