Description

8,9-Dihydro-5H-Benzo[7]Annulen-7(6H)-One is a specialized organic compound featuring a unique benzo-fused seven-membered ring ketone structure. This distinct molecular architecture makes it a valuable advanced intermediate for the synthesis of complex molecules in pharmaceutical and material science research. It is primarily sought by R&D chemists and process development scientists working in fine chemical and pharmaceutical sectors for constructing novel chemical entities.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of potential active pharmaceutical ingredients (APIs), particularly for compounds targeting central nervous system (CNS) disorders.
• Organic Synthesis Research: Used as a versatile precursor in academic and industrial laboratories for developing new synthetic methodologies involving medium-sized ring systems.
• Material Science Precursor: Acts as a starting material for the development of organic semiconductors, liquid crystals, or novel polymers with specific optical or electronic properties.
• Agrochemical Research: Employed in the discovery and development of new agrochemicals, where its fused ring system can contribute to unique biological activity.
• Ligand and Catalyst Development: Utilized in the design and synthesis of novel chiral ligands or organocatalysts for asymmetric synthesis applications.

Basic Information

Product Name	8,9-Dihydro-5H-Benzo[7]Annulen-7(6H)-One
CAS No.	37949-03-4
Molecular Formula	C11H12O
Molecular Weight	160.21 g/mol
Synonyms	6,7,8,9-Tetrahydro-5H-Benzocyclohepten-7-one; 5H-Benzocyclohepten-7(6H)-one, 6,7,8,9-tetrahydro-; 7-Oxo-6,7,8,9-tetrahydro-5H-benzocycloheptene; Benzo[7]annulen-7-one, 8,9-dihydro-6H-; 6,7,8,9-Tetrahydrobenzocyclohepten-7-one
EINECS	Contact for details

Quality Control

Our 8,9-Dihydro-5H-Benzo[7]Annulen-7(6H)-One is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes data from HPLC, GC, NMR, and other relevant spectroscopic methods. Our quality systems are designed to meet the stringent requirements of GMP and ISO standards for research and development materials.

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). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.