Description

(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-Cyclohexen-3-Ylidene]-3,7-Dimethylnona-3,5,7-Trien-1-Ol CAS NO 16729-22-9 is a high-purity, conjugated polyene alcohol with a distinctive chemical structure. This compound is valued for its role as a key synthetic intermediate and building block in advanced organic synthesis. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and specialty fragrance industries for developing novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel retinoid analogs, vitamin A derivatives, and other bioactive compounds with conjugated polyene backbones.
• Agrochemical Research: Used in the development of new plant growth regulators, pheromones, and other agrochemicals where its specific stereochemistry and functional groups are essential.
• Specialty Fragrance & Flavor Synthesis: Acts as a precursor for creating unique terpenoid-based aroma chemicals and flavoring agents due to its complex, branched hydrocarbon skeleton.
• Material Science Research: Investigated as a monomer or precursor for functional polymers and advanced organic materials requiring specific light-absorption or conjugation properties.
• Organic Synthesis Building Block: Provides a versatile chiral template for constructing complex natural products and molecular architectures in academic and industrial research laboratories.

Basic Information

Product Name	(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-Cyclohexen-3-Ylidene]-3,7-Dimethylnona-3,5,7-Trien-1-Ol
CAS No.	16729-22-9
Molecular Formula	C20H30O
Molecular Weight	286.45 g/mol
Synonyms	9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol (all-E); (all-E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol; 3,7-Dimethyl-9-(2,4,4-trimethyl-1-cyclohexen-3-ylidene)-nona-3,5,7-trien-1-ol (all-E); Polyene alcohol derivative; Retinoid-like intermediate; Conjugated terpenoid alcohol.
EINECS	Contact for details

Quality Control

Our (3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-Cyclohexen-3-Ylidene]-3,7-Dimethylnona-3,5,7-Trien-1-Ol is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high chemical purity and isomeric integrity. Comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided to guarantee batch-to-batch consistency for your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) to minimize oxidation and degradation. Keep the container in a cool, dry, and well-ventilated place, away from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Isomeric Purity (GC/HPLC)	≥ 90.0% (all-E isomer)
Water Content (KF)	≤ 0.5%

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