Description

3-Bromo-6,7,8,9-Tetrahydrobenzo[7]Annulen-5-One is a specialized brominated bicyclic ketone, serving as a valuable synthetic intermediate in advanced organic chemistry. Its unique fused ring structure and reactive bromine substituent make it a critical building block for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and 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 frameworks.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, where the bromine atom and ketone functionality allow for further derivatization.
• Material Science: Acts as a monomer or building block for creating specialized polymers, liquid crystals, or organic electronic materials with tailored properties.
• Chemical Synthesis: Serves as a versatile electrophile in cross-coupling reactions (e.g., Suzuki, Heck) or as a substrate for nucleophilic substitution and carbonyl chemistry in academic and industrial R&D.
• Ligand & Catalyst Development: The structure can be modified to create novel chelating ligands or organocatalysts for asymmetric synthesis.

Basic Information

Product Name	3-Bromo-6,7,8,9-Tetrahydrobenzo[7]Annulen-5-One
CAS No.	87779-78-0
Molecular Formula	C11H11BrO
Molecular Weight	239.11 g/mol
Synonyms	3-Bromobenzo[7]annulen-5(6H)-one, 6,7,8,9-Tetrahydro-; 3-Bromo-5-oxo-6,7,8,9-tetrahydrobenzo[7]annulene; 5(6H)-Benzo[7]annulenone, 3-bromo-6,7,8,9-tetrahydro-; 3-Bromotetrahydrobenzo[7]annulen-5-one
EINECS	Contact for details

Quality Control

Our production of 3-Bromo-6,7,8,9-Tetrahydrobenzo[7]Annulen-5-One adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

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%

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