Description

[1R,(+)]-1-Ethyl-1,2,3,4,4Aβ,5,6,8Aα-Octahydro-7-Methyl-4-Methylenenaphthalene is a high-purity, chiral bicyclic terpenoid compound with the CAS number 35043-54-0. This specialized intermediate is valued for its defined stereochemistry and unique structural framework, which is critical for synthesizing complex molecules with specific biological activity. It serves as a key building block for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries, particularly in the development of novel active ingredients and fragrances.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), especially in steroid and terpenoid-based therapeutics.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its complex structure can contribute to specific modes of action.
• Fragrance & Flavor Chemistry: Serves as a precursor for high-value aroma chemicals and synthetic musks due to its methylenenaphthalene backbone.
• Organic Synthesis Research: An important reagent in academic and industrial R&D for studying cycloaddition reactions and constructing complex polycyclic systems.
• Material Science: Potential monomer or cross-linking agent in the development of specialty polymers with unique thermal or optical properties.

Basic Information

Product Name	[1R,(+)]-1-Ethyl-1,2,3,4,4Aβ,5,6,8Aα-Octahydro-7-Methyl-4-Methylenenaphthalene
CAS No.	35043-54-0
Molecular Formula	C14H22
Molecular Weight	190.33 g/mol
Synonyms	(+)-1-Ethyl-1,2,3,4,4aβ,5,6,8aα-Octahydro-7-methyl-4-methylenenaphthalene; (1R,4aR,8aS)-1-Ethyl-7-methyl-4-methylidene-1,2,3,4,4a,5,6,8a-octahydronaphthalene; 1-Ethyl-7-methyl-4-methylidene-decahydronaphthalene (specific isomer); Bicyclic terpenoid intermediate; Chiral decalin derivative
EINECS	Contact for details

Quality Control

Our production of [1R,(+)]-1-Ethyl-1,2,3,4,4Aβ,5,6,8Aα-Octahydro-7-Methyl-4-Methylenenaphthalene adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chiral purity analysis by GC or HPLC, to ensure consistent stereochemical integrity and high chemical purity. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C to minimize the risk of oxidation and degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC/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.