Description

(E)-5,9,14,18-Tetramethyl-20-(2,6,6-Trimethylcyclohexenyl)-3,5,7,9,11,13,15,17,19-Icosanonaen-2-One is a high-purity, conjugated polyene ketone compound of significant interest in advanced organic synthesis and materials research. This specialized chemical serves as a critical building block for synthesizing complex molecular architectures, including carotenoid analogs and novel chromophores. It is essential for R&D and production teams in the pharmaceutical intermediates, fine chemicals, and advanced material science sectors seeking to develop new functional molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of retinoid analogs, vitamin A derivatives, and other bioactive molecules targeting specific receptors.
• Fine Chemical Synthesis: Serves as a versatile building block for constructing complex polyene chains in custom synthesis and process development.
• Advanced Material Research: Used in the development of organic semiconductors, non-linear optical materials, and dye-sensitized systems due to its extended conjugated system.
• Nutraceutical & Cosmetic Ingredient Research: Investigated for the synthesis of novel carotenoid-type compounds with potential antioxidant properties.
• Academic & Industrial R&D: A valuable reference standard and starting material for methodological studies in organic chemistry and catalysis.

Basic Information

Item	Details
Product Name	(E)-5,9,14,18-Tetramethyl-20-(2,6,6-Trimethylcyclohexenyl)-3,5,7,9,11,13,15,17,19-Icosanonaen-2-One
CAS No.	3604-90-8
Molecular Formula	C₃₃H₄₈O
Molecular Weight	460.74 g/mol
Synonyms	5,9,14,18-Tetramethyl-20-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3,5,7,9,11,13,15,17,19-icosanonaen-2-one; All-trans-5,9,14,18-Tetramethyl-20-(2,6,6-trimethyl-1-cyclohexenyl)-3,5,7,9,11,13,15,17,19-icosanonaen-2-one; Polyene ketone C33; Retinoid-related polyene ketone
EINECS	Contact for details

Quality Control

Our production of (E)-5,9,14,18-Tetramethyl-20-(2,6,6-Trimethylcyclohexenyl)-3,5,7,9,11,13,15,17,19-Icosanonaen-2-One adheres to a rigorous quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting critical parameters such as assay, related substances, and physical characteristics.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive and easily oxidized; prolonged exposure to air, light, or elevated temperatures should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Orange to red crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Solvent Residue (GC)	Meets ICH guidelines

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