Description

cis-1,2,3,5,6,7,8,8A-Octahydro-1,8A-Dimethyl-7-(1-Methylethylidene)Naphthalene is a high-purity, specialized sesquiterpene hydrocarbon with the CAS number 51608-13-0. This compound serves as a valuable intermediate and building block in advanced organic synthesis, prized for its unique bicyclic structure. It is essential for R&D and production in the flavor & fragrance, pharmaceutical, and fine chemical industries, where precise molecular architecture is critical.

Application

• Flavor and Fragrance Industry: Acts as a key intermediate in the synthesis of complex aroma chemicals and musky scent compounds.
• Pharmaceutical Intermediates: Used as a chiral building block for the research and development of active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Serves as a precursor in the production of specialty chemicals, agrochemicals, and dyes.
• Research & Development: A valuable standard and reagent in organic chemistry research, catalysis studies, and material science.
• Essential Oils and Terpene Chemistry: Used in the study and reconstruction of natural product profiles and terpene derivatives.

Basic Information

Product Name	cis-1,2,3,5,6,7,8,8A-Octahydro-1,8A-Dimethyl-7-(1-Methylethylidene)Naphthalene
CAS No.	51608-13-0
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	7-Isopropylidene-1,8a-dimethyl-1,2,3,5,6,7,8,8a-octahydronaphthalene; 1,8a-Dimethyl-7-(1-methylethylidene)-cis-octahydronaphthalene; Cedrene isomer; Cedrane derivative; Sesquiterpene hydrocarbon C15H24; 51608-13-0; (1R,4aS,8aS)-1,8a-Dimethyl-7-methylidene-4,5,6,7-tetrahydro-1H-naphthalen-2-one (related ketone form)
EINECS	Contact for details

Quality Control

Our cis-1,2,3,5,6,7,8,8A-Octahydro-1,8A-Dimethyl-7-(1-Methylethylidene)Naphthalene is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent composition. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon) to preserve stability and prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Purity (HPLC)	≥ 97.0%
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.