Description

(-)-2,4,5,7,8,8A-Hexahydro-3,8-Dimethyl-5-(1-Methylethylidene)Azulen-6(1H)-One is a high-purity, optically active sesquiterpene derivative with a complex fused-ring structure. This compound is valued for its role as a versatile chiral building block and intermediate in advanced organic synthesis. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and fine chemical industries for developing novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and plant growth regulators.
• Fragrance & Flavor Chemistry: Acts as a building block for creating complex, natural-identical aroma molecules and specialty odorants.
• Material Science Research: Employed in the development of specialty polymers, liquid crystals, and advanced organic materials.
• Academic & Industrial R&D: A valuable compound for methodological studies in asymmetric synthesis and catalysis.

Basic Information

Item	Details
Product Name	(-)-2,4,5,7,8,8A-Hexahydro-3,8-Dimethyl-5-(1-Methylethylidene)Azulen-6(1H)-One
CAS No.	71305-87-8
Molecular Formula	C15H22O
Molecular Weight	218.33 g/mol
Synonyms	(-)-α-Gurjunene epoxide; (1S,4R,4aR,8aR)-4,8a-Dimethyl-7-(propan-2-ylidene)-1,2,3,4,5,6,8,8a-octahydronaphthalen-1-ol; 1,2,3,4,5,6,8,8a-Octahydro-4,8a-dimethyl-7-(1-methylethylidene)-1-naphthalenol, (1S,4R,4aR,8aR)-; α-Gurjunene oxide; Gurjunene epoxide
EINECS	Contact for details

Quality Control

Our (-)-2,4,5,7,8,8A-Hexahydro-3,8-Dimethyl-5-(1-Methylethylidene)Azulen-6(1H)-One is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC and GC, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral GC/HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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