Description

(1S,5S)-1β,8-Dimethyl-4-(1-Methylethylidene)Spiro[4.5]Dec-7-Ene is a high-purity, stereochemically defined spirocyclic terpene derivative. This compound serves as a valuable chiral building block and intermediate in advanced organic synthesis, prized for its rigid molecular framework. It is primarily sought by R&D and production chemists in the pharmaceutical, agrochemical, and fragrance industries for developing novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key chiral precursor for the synthesis of novel therapeutic agents, including steroids and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its complex spirocyclic structure.
• Fragrance & Flavor Chemistry: Acts as a starting material for creating unique, high-value aroma chemicals and flavor compounds.
• Advanced Material Research: Investigated as a monomer or additive for specialty polymers and liquid crystals due to its structural rigidity.
• Catalyst & Ligand Development: Serves as a scaffold for designing novel chiral ligands and organocatalysts for asymmetric synthesis.
• Academic & Industrial R&D: A critical tool for methodological studies in organic chemistry and total synthesis projects.

Basic Information

Product Name	(1S,5S)-1β,8-Dimethyl-4-(1-Methylethylidene)Spiro[4.5]Dec-7-Ene
CAS No.	28908-21-6
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	1β,8-Dimethyl-4-(1-methylethylidene)spiro[4.5]dec-7-ene; (1S,5S)-1β,8-Dimethyl-4-isopropylidene-spiro[4.5]dec-7-ene; Spiro[4.5]dec-7-ene, 1β,8-dimethyl-4-(1-methylethylidene)-, (1S,5S)-; (-)-β-Bisabolene derivative; Chiral Spirocyclic Terpene
EINECS	Contact for details

Quality Control

Our (1S,5S)-1β,8-Dimethyl-4-(1-Methylethylidene)Spiro[4.5]Dec-7-Ene is manufactured under strict quality management systems. Each batch is characterized and tested using advanced analytical techniques including GC, HPLC, and NMR to ensure high chemical and stereochemical purity. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Optical Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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