Description

3,5,6,6-Tetramethyl-4,5,5A,6,7,8-Hexahydrocyclopenta[C]Pentalen-2(1H)-One is a high-purity, complex polycyclic ketone building block of significant interest in advanced organic synthesis. Its unique fused ring structure makes it a valuable intermediate for developing novel compounds with specific steric and electronic properties. This chemical is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for creating new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a sophisticated scaffold for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory research.
• Agrochemical Research: Used as a key building block in the development of new herbicides, fungicides, and insecticides with unique modes of action.
• Material Science: Acts as a precursor for specialty polymers, liquid crystals, or organic electronic materials due to its rigid, multi-ring framework.
• Chemical Synthesis: Employed in academic and industrial R&D for methodological studies in catalysis and complex molecule construction.
• Flavor & Fragrance Chemistry: Potential intermediate for synthesizing novel musk or amber-type odorants, given its structural similarity to macrocyclic ketones.

Basic Information

Product Name	3,5,6,6-Tetramethyl-4,5,5A,6,7,8-Hexahydrocyclopenta[C]Pentalen-2(1H)-One
CAS No.	1689570-10-2
Molecular Formula	C15H20O
Molecular Weight	216.32 g/mol
Synonyms	3,5,6,6-Tetramethyl-1,4,5,5a,6,7,8,8a-octahydrocyclopenta[c]pentalen-2-one; 3,5,6,6-Tetramethyloctahydrocyclopenta[c]pentalen-2(1H)-one; Cyclopenta[c]pentalen-2(1H)-one, 3,5,6,6-tetramethyl-4,5,5a,6,7,8-hexahydro-; Tetramethylhexahydrocyclopentapentalenone
EINECS	Contact for details

Quality Control

Every batch of 3,5,6,6-Tetramethyl-4,5,5A,6,7,8-Hexahydrocyclopenta[C]Pentalen-2(1H)-One is produced and analyzed under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets the high-purity standards required for research and development applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is available for each lot upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 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
Purity (HPLC)	≥ 97.0%
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.