Description

8,9-Dihydro-5H-Benzo[7]Annulen-6(7H)-One is a specialized organic compound belonging to the class of benzannulated medium-ring ketones, serving as a valuable synthetic intermediate in advanced organic chemistry. Its unique fused ring structure makes it a critical building block for the synthesis of complex molecules, particularly in pharmaceutical research and fine chemical manufacturing. This compound is essential for chemists and R&D teams in the pharmaceutical, agrochemical, and material science industries seeking to develop novel active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing complex polycyclic architectures.
• Agrochemical Research: Used in the development of new active ingredients for crop protection agents, leveraging its benzannulated structure.
• Material Science: Serves as a monomer or building block for creating specialized polymers and organic electronic materials with tailored properties.
• Organic Synthesis: A versatile scaffold in academic and industrial research for constructing complex natural product analogs and other structurally intricate molecules.
• Chemical Reference Standard: Employed as an analytical standard in quality control laboratories for method development and validation.

Basic Information

Item	Details
Product Name	8,9-Dihydro-5H-Benzo[7]Annulen-6(7H)-One
CAS No.	34663-15-5
Molecular Formula	C11H12O
Molecular Weight	160.21 g/mol
Synonyms	6,7,8,9-Tetrahydro-5H-benzocyclohepten-6-one; 5H-Benzocyclohepten-6(7H)-one, 8,9-dihydro-; Benzo[7]annulen-6(7H)-one, 8,9-dihydro-5H-; 8,9-Dihydro-5H-benzocyclohepten-6-one; 6-Oxo-6,7,8,9-tetrahydro-5H-benzocycloheptene
EINECS	Contact for details

Quality Control

Our 8,9-Dihydro-5H-Benzo[7]Annulen-6(7H)-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.