Description

(-)-β-Chamigrene CAS NO 18431-82-8 is a high-purity, naturally occurring sesquiterpene hydrocarbon characterized by its distinct woody, earthy aroma profile. This compound is valued for its role as a key fragrance ingredient and a versatile chiral building block in organic synthesis. It is essential for manufacturers in the flavors and fragrances, cosmetics, and fine chemical industries seeking authentic natural notes or specific stereochemistry for advanced research and product development.

Application

• Fragrance Formulation: Serves as a base or middle note in premium perfumes, colognes, and personal care products, imparting woody, ambergris-like, or forest floor olfactory characteristics.
• Flavor Enhancement: Used in trace amounts to create complex, natural flavor profiles in gourmet food and beverage applications.
• Organic Synthesis: Acts as a valuable chiral starting material or intermediate for the synthesis of more complex terpenoids and biologically active molecules in pharmaceutical and agrochemical research.
• Aromatherapy & Essential Oils: A key component in specialty essential oil blends and natural wellness products for its grounding and earthy aromatic properties.
• Academic & Industrial Research: Utilized as a standard or reagent in chemical ecology, natural product chemistry, and olfactory science studies.

Basic Information

Product Name	(-)-β-Chamigrene
CAS No.	18431-82-8
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	(-)-β-Chamigrene; (1S,2S,4S,7R)-1,2,4,7-Tetramethyltricyclo[5.3.1.04,11]undec-9-ene; β-Chamigrene; β-Chamigrene; Chamigrene; (-)-β-Chamigren; (1S,2S,4S,7R)-1,2,4,7-Tetramethyltricyclo[5.3.1.0^{4,11}]undec-9-ene
EINECS	Contact for details

Quality Control

Our (-)-β-Chamigrene is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by GC or HPLC, to ensure identity, strength, and compositional consistency. A Certificate of Analysis (COA) detailing specific results for purity, enantiomeric excess, and related substances is provided with every shipment to guarantee it meets your precise research or manufacturing specifications.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place at recommended temperatures of 2-8°C (refrigerated) or as specified on the label. Keep away from heat, sparks, and open flames. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

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

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