Description

[3E,7E,(-)]-1,5,5,8-Tetramethyl-3,7-Cycloundecadiene-1-Ol is a high-purity, optically active sesquiterpene alcohol with a distinct woody-amber character. This compound matters as a valuable chiral intermediate and fragrance ingredient, prized for its specific stereochemistry and complex molecular structure. It is needed by manufacturers in the fragrance and flavor industry for creating sophisticated scent profiles, as well as by pharmaceutical and fine chemical R&D teams exploring novel synthetic pathways.

Application

• Fragrance & Flavor Industry: A key chiral building block for the synthesis of high-value amber, woody, and musk fragrance compounds.
• Fine Chemical Synthesis: Serves as a versatile chiral intermediate in the production of complex natural products and specialty chemicals.
• Pharmaceutical Research: Used as a starting material or reference standard in the development of novel therapeutic agents, leveraging its specific stereochemistry.
• Aroma Chemical Production: Employed in the manufacture of advanced aroma chemicals where specific isomeric purity is critical for scent quality.
• Academic & Industrial R&D: A valuable compound for research in organic synthesis, catalysis, and stereochemistry studies.
• Cosmetic Ingredients: Potential use in the formulation of premium cosmetic products requiring specific, high-purity fragrance components.

Basic Information

Product Name	[3E,7E,(-)]-1,5,5,8-Tetramethyl-3,7-Cycloundecadiene-1-Ol
CAS No.	24405-58-1
Molecular Formula	C₁₅H₂₆O
Molecular Weight	222.37 g/mol
Synonyms	(-)-Ambrox; (3E,7E)-1,5,5,8-Tetramethyl-3,7-cycloundecadien-1-ol; (-)-Ambroxide precursor; (3E,7E)-Ambroxol; 1,5,5,8-Tetramethyl-3,7-cycloundecadien-1-ol; (E,E)-(-)-1,5,5,8-Tetramethyl-3,7-cycloundecadien-1-ol; (-)-Ambrox DL; Woody Amber Alcohol
EINECS	Contact for details

Quality Control

Our [3E,7E,(-)]-1,5,5,8-Tetramethyl-3,7-Cycloundecadiene-1-Ol is produced under strict quality management systems to ensure batch-to-batch consistency and high isomeric purity. We employ advanced analytical techniques, including chiral chromatography, to verify stereochemical integrity. Certificates of Analysis (COA) detailing purity, enantiomeric excess, and key specifications are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at 2-8°C for long-term stability. This product is easily oxidized and should be handled with care to minimize exposure to air. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to reference spectrum
Identification (GC/MS)	Conforms to reference
Purity (GC)	≥ 95.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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