Description

9,10-Dihydro-9,9-Dimethyl-11H-Cyclohepta[A]Naphthalen-11-One is a specialized polycyclic ketone compound that serves 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 the development of novel materials and active pharmaceutical ingredients (APIs). This high-purity intermediate is essential for research and production in fine chemical, pharmaceutical, and advanced material science sectors where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those with complex polycyclic frameworks.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a core structure or intermediate in the development of advanced host or emitter materials for display and lighting technologies.
• Advanced Material Science: Building block for creating specialized polymers, liquid crystals, or organic semiconductors with tailored electronic properties.
• Agrochemical Research: Intermediate in the synthesis of new-generation herbicides, fungicides, or plant growth regulators with enhanced efficacy.
• Dye and Pigment Chemistry: Used in the development of high-performance, color-fast organic dyes and pigments for industrial applications.
• Academic and R&D: Valuable reagent for methodological studies in organic synthesis, catalysis, and the exploration of new chemical reactions.

Basic Information

Product Name	9,10-Dihydro-9,9-Dimethyl-11H-Cyclohepta[A]Naphthalen-11-One
CAS No.	58111-76-5
Molecular Formula	C₁₇H₁₈O
Molecular Weight	238.33 g/mol
Synonyms	9,9-Dimethyl-9,10-dihydro-11H-cyclohepta[a]naphthalen-11-one; 9,9-Dimethyldihydrocyclohepta[a]naphthalen-11-one; 11H-Cyclohepta[a]naphthalen-11-one, 9,10-dihydro-9,9-dimethyl-; Dihydrodimethylcycloheptanaphthalenone
EINECS	Contact for details

Quality Control

Our production of 9,10-Dihydro-9,9-Dimethyl-11H-Cyclohepta[A]Naphthalen-11-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, ensuring full traceability and compliance with your research or production requirements.

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, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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