Description

2(1H)-Naphthalenone, 7-Ethynl-4A,5,6,7,8,8A-Hexahydro-1,4A-Dimethyl-(.Alpha.,4A.Beta.,7.Beta.,8A.Alpha) is a complex, high-purity synthetic intermediate characterized by its fused polycyclic structure incorporating an ethynyl group. This compound matters for its role as a versatile building block in advanced organic synthesis, enabling the construction of intricate 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 fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly for complex small molecules targeting central nervous system or metabolic diseases.
• Agrochemical Research: Used in the development of new pesticides and herbicides, where its unique structure can contribute to novel modes of action.
• Material Science: Acts as a monomer or cross-linking agent in the research of specialty polymers and advanced organic materials.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in synthetic organic chemistry and catalysis.
• Fine Chemical Synthesis: Utilized for the custom synthesis of complex fragrance ingredients, dyes, or other high-value specialty chemicals.

Basic Information

Item	Details
Product Name	2(1H)-Naphthalenone, 7-Ethynl-4A,5,6,7,8,8A-Hexahydro-1,4A-Dimethyl-(.Alpha.,4A.Beta.,7.Beta.,8A.Alpha)
CAS No.	55220-87-6
Molecular Formula	C16H20O
Molecular Weight	228.33 g/mol
Synonyms	7-Ethynyl-4a,5,6,7,8,8a-hexahydro-1,4a-dimethyl-2(1H)-naphthalenone; 7-Ethynyl-1,4a-dimethyl-4a,5,6,7,8,8a-hexahydro-2(1H)-naphthalenone; (4aR,7R,8aS)-7-Ethynyl-1,4a-dimethyl-4a,5,6,7,8,8a-hexahydro-2H-naphthalen-2-one; 55220-87-6; 7-Ethynyl-1,4a-dimethyl-4a,5,6,7,8,8a-hexahydro-2-naphthalenone
EINECS	Contact for details

Quality Control

Our 2(1H)-Naphthalenone, 7-Ethynl-4A,5,6,7,8,8A-Hexahydro-1,4A-Dimethyl-(.Alpha.,4A.Beta.,7.Beta.,8A.Alpha) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (by HPLC), related substances, and residual solvents are provided and available upon request 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 controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. 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 reference spectrum
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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