Description

(1S,βs)-1,4,4Aα,5,6,7,8,8A-Octahydro-β,2,5,5,8Aβ-Pentamethyl-1β-Naphthalenepentanoic Acid Methyl Ester is a high-purity, synthetically derived intermediate of significant importance in advanced organic synthesis. This compound, with CAS No. 1438-55-7, is valued for its complex, stereochemically defined decalin core structure, which serves as a versatile building block for the development of complex molecules. It is primarily sought after by research institutions and fine chemical manufacturers engaged in pharmaceutical development, agrochemical research, and the synthesis of specialty fragrances and flavors.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of novel therapeutic agents, particularly in steroid-like or terpenoid-based drug discovery programs.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and plant growth regulators that leverage its complex polycyclic framework.
• Fragrance & Flavor Chemistry: Serves as a starting material for creating sophisticated, musky, or amber-type odorants and flavoring agents due to its structural similarity to natural terpenes.
• Organic Synthesis Research: Employed in academic and industrial R&D as a model substrate for developing new catalytic reactions, including hydrogenation, cyclization, and cross-coupling methodologies.
• Material Science Precursor: Investigated for the synthesis of specialized polymers or liquid crystals where a rigid, stereodefined moiety is required to impart specific material properties.

Basic Information

Product Name	(1S,βs)-1,4,4Aα,5,6,7,8,8A-Octahydro-β,2,5,5,8Aβ-Pentamethyl-1β-Naphthalenepentanoic Acid Methyl Ester
CAS No.	1438-55-7
Molecular Formula	C21H36O2
Molecular Weight	320.51 g/mol
Synonyms	Methyl (1S,4aS,8aR)-1,4a,5,6,7,8,8a,9-Octahydro-2,5,5,8a-tetramethyl-1-naphthalenepentanoate; Methyl (1S,4aS,8aR)-1,2,3,4,4a,5,6,7,8,8a-Decahydro-2,5,5,8a-tetramethyl-1-naphthalenepentanoate; Methyl (1S,4aS,8aR)-1,2,3,4,4a,5,6,7,8,8a-Decahydro-4a,8-dimethyl-α-methylene-2-naphthalenepentanoate; Methyl Ester of (1S,βs)-1,4,4Aα,5,6,7,8,8A-Octahydro-β,2,5,5,8Aβ-Pentamethyl-1β-Naphthalenepentanoic Acid; Decalin Pentanoic Acid Methyl Ester Derivative
EINECS	Contact for details

Quality Control

Our production of (1S,βs)-1,4,4Aα,5,6,7,8,8A-Octahydro-β,2,5,5,8Aβ-Pentamethyl-1β-Naphthalenepentanoic Acid Methyl Ester adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including chiral purity analysis, to ensure it meets the exacting standards required for research and synthesis applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment and are available upon request.

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 strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral 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.