Description

(+)-8 9-Didehydrocycloisolongifolene CAS NO 74842-33-4 is a high-purity, chiral sesquiterpene derivative of the longifolene family, valued for its unique structural framework and stereochemical integrity. This compound serves as a critical chiral building block and intermediate in the synthesis of complex organic molecules, particularly in the fragrance, flavor, and pharmaceutical sectors. It is essential for R&D chemists and production specialists seeking to develop novel compounds with specific olfactory profiles or biological activities.

Application

• Fragrance & Flavor Intermediate: A key chiral precursor for synthesizing novel, high-value aroma chemicals and flavoring agents with unique woody, ambery, or musky notes.
• Pharmaceutical Research: Used as a sophisticated chiral scaffold in medicinal chemistry for the development of new therapeutic agents and bioactive compounds.
• Fine Chemical Synthesis: Serves as a versatile starting material or intermediate in asymmetric synthesis and total synthesis projects requiring complex terpenoid structures.
• Academic & Industrial R&D: A valuable reference standard and research chemical for studying terpene chemistry, reaction mechanisms, and stereoselective transformations.
• Specialty Chemicals: Potential applications in the development of advanced materials, agrochemicals, and other performance chemicals where its rigid bicyclic structure is beneficial.

Basic Information

Product Name	(+)-8 9-Didehydrocycloisolongifolene
CAS No.	74842-33-4
Molecular Formula	C15H22
Molecular Weight	202.34 g/mol
Synonyms	(+)-8,9-Didehydrocycloisolongifolene; (1R,7aS)-1,2,3,5,6,7,7a,8-Octahydro-1,4-dimethyl-7-(1-methylethenyl)azulene; Cycloisolongifolene, 8,9-didehydro-; Dehydrocycloisolongifolene; Longifolene derivative
EINECS	Contact for details

Quality Control

Our (+)-8 9-Didehydrocycloisolongifolene is produced under strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized using advanced analytical techniques including GC, HPLC, and chiral analysis to confirm identity, purity, and enantiomeric excess. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, ensuring full traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon to maintain stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 95.0%
Enantiomeric Purity (Chiral GC/HPLC)	≥ 98.0% ee
Specific Rotation [α]	Contact for details
Refractive Index (n20D)	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.