Description

2-Nitro-8,9-Dihydro-5H-Benzo[7]Annulen-7(6H)-One is a specialized nitro-substituted benzannulene derivative, a high-value synthetic intermediate prized for its unique fused-ring structure. This compound matters for its role as a critical building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the development 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 specific receptor-binding profiles.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or plant growth regulators, leveraging its nitro-aromatic functionality.
• Material Science: Serves as a monomer or a functionalizing agent in the creation of specialty polymers, dyes, or organic electronic materials.
• Organic Synthesis Building Block: Employed in complex multi-step syntheses, including cyclization reactions and the construction of polycyclic frameworks.
• Chemical Research & Development: Utilized in academic and industrial R&D labs for methodological studies, catalysis research, and exploring new chemical spaces.

Basic Information

Product Name	2-Nitro-8,9-Dihydro-5H-Benzo[7]Annulen-7(6H)-One
CAS No.	740842-50-6
Molecular Formula	C13H11NO3
Molecular Weight	229.23 g/mol
Synonyms	2-Nitro-6,7,8,9-tetrahydro-5H-benzo[7]annulen-7-one; 2-Nitro-5,6,7,8-tetrahydrobenzocyclohepten-7-one; 7H-Benzo[7]annulen-7-one, 8,9-dihydro-2-nitro-5H-; 2-Nitro-8,9-dihydro-5H-benzocyclohepten-7-one; 2-Nitro-5,6,7,8-tetrahydro-1-benzocyclohepten-7-one
EINECS	Contact for details

Quality Control

Our 2-Nitro-8,9-Dihydro-5H-Benzo[7]Annulen-7(6H)-One is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with data from advanced techniques like HPLC, GC, NMR, and IR spectroscopy. Our commitment to quality assurance ensures material integrity for your critical research and development applications.

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 heat sources and incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Yellow to light brown 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.