Description

(1R,4E,7E)-3,3,7-Trimethyl-11-Methylene-4,7-Cycloundecadien-1-Ol is a high-purity, optically active sesquiterpene alcohol with a complex bicyclic structure. This compound serves as a valuable chiral building block and key intermediate in the synthesis of fine chemicals and complex natural products. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, aroma chemical, and specialty chemical sectors for its unique stereochemistry and functional group.

Application

• Pharmaceutical Intermediate: A critical chiral precursor for the synthesis of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Fragrance & Flavor Synthesis: Used in the creation of complex, high-value aroma molecules for perfumery and flavor formulations.
• Organic Synthesis Research: Serves as a versatile starting material in academic and industrial R&D for constructing complex molecular architectures.
• Agrochemical Intermediates: Employed in the development of advanced, biologically active compounds for crop protection.
• Material Science: Potential monomer or modifier for specialty polymers and advanced materials requiring specific stereochemical properties.

Basic Information

Product Name	(1R,4E,7E)-3,3,7-Trimethyl-11-Methylene-4,7-Cycloundecadien-1-Ol
CAS No.	19888-01-8
Molecular Formula	C15H24O
Molecular Weight	220.35 g/mol
Synonyms	1,4,7-Cycloundecatriene-1-ol, 3,3,7-trimethyl-11-methylene-, (1R,4E,7E)-; (1R,4E,7E)-3,3,7-Trimethyl-11-methylidene-4,7-cycloundecadien-1-ol; (-)-α-Bisabolol (related isomer); (E,E)-3,3,7-Trimethyl-11-methylene-4,7-cycloundecadien-1-ol; Sesquiterpene alcohol derivative; Chiral bisabolol derivative; Optically active cycloundecadienol.
EINECS	Contact for details

Quality Control

Our (1R,4E,7E)-3,3,7-Trimethyl-11-Methylene-4,7-Cycloundecadien-1-Ol is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are provided with every shipment.

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). This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term storage to prevent oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Specific Rotation [α]	Contact for details
Water Content (KF)	≤ 0.5%

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