Description

(4As,8Ar)-1,2,3,4,4A,5,8,8A-Octahydro-4A-Methyl-1-Methylene-7-Isopropylnaphthalene is a high-purity, specialized sesquiterpene hydrocarbon with a complex, hydrogenated naphthalene backbone. This compound is valued for its unique structural framework, which serves as a critical intermediate in the synthesis of fine chemicals, fragrances, and advanced pharmaceutical agents. It is essential for R&D laboratories and production facilities in the flavors & fragrances, agrochemical, and pharmaceutical sectors seeking a reliable and consistent building block for complex molecular architectures.

Application

• Fragrance & Flavor Intermediate: Serves as a key precursor in the synthesis of complex, woody, and amber fragrance molecules for perfumery and flavoring agents.
• Pharmaceutical Synthesis: Used as a sophisticated chiral building block or scaffold in the research and development of novel active pharmaceutical ingredients (APIs).
• Agrochemical Research: Acts as an intermediate in the creation of new crop protection agents and pesticides due to its bioactive terpene structure.
• Organic Synthesis & Catalysis: Employed in academic and industrial research for studying hydrogenation reactions and as a substrate for catalytic transformations.
• Specialty Chemical Manufacturing: Utilized in the production of high-value, performance chemicals where its specific stereochemistry and functionality are required.

Basic Information

Product Name	(4As,8Ar)-1,2,3,4,4A,5,8,8A-Octahydro-4A-Methyl-1-Methylene-7-Isopropylnaphthalene
CAS No.	28102-71-8
Molecular Formula	C15H24
Molecular Weight	204.35 g/mol
Synonyms	7-Isopropyl-1-methyl-4-methylene-decahydronaphthalene; 1,2,3,4,4a,5,8,8a-Octahydro-4a-methyl-1-methylene-7-(1-methylethyl)naphthalene; Longifolene isomer; Sesquiterpene hydrocarbon C15H24; 4a-Methyl-1-methylene-7-isopropyl-1,2,3,4,4a,5,8,8a-octahydronaphthalene
EINECS	Contact for details

Quality Control

Our (4As,8Ar)-1,2,3,4,4A,5,8,8A-Octahydro-4A-Methyl-1-Methylene-7-Isopropylnaphthalene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, GC-MS, and NMR, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) detailing all specifications are provided to guarantee traceability and batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat and ignition sources. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and concentration changes. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Rotation	Contact for details
Refractive Index	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.