Description

[1S-(1Alpha,3Abeta,4Alpha,8Abeta)]-2-(Decahydro-4,8,8-Trimethyl-1,4-Methanoazulen-9-Ylidene)Ethyl Acetate is a high-purity, synthetic sesquiterpenoid derivative with a complex and defined stereochemistry. This compound is valued as a critical intermediate or starting material for advanced organic synthesis, particularly in the development of fragrance molecules and pharmaceutical active ingredients. It is essential for R&D and production teams in the flavor & fragrance, fine chemical, and pharmaceutical industries who require precise, high-quality building blocks for complex molecular architectures.

Application

This specialized chemical serves as a versatile intermediate in several high-value sectors:

• Fragrance & Flavor Synthesis: A key precursor for creating novel amber, woody, and musk odorants with unique olfactory profiles.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs), particularly those with complex polycyclic structures.
• Fine Chemical Production: Acts as a chiral building block for synthesizing other high-value, stereochemically defined sesquiterpenoids and derivatives.
• Organic Synthesis Research: Employed in academic and industrial R&D for methodological studies in cycloaddition, hydrogenation, and functional group transformations.
• Specialty Materials: Potential intermediate in the synthesis of advanced materials requiring specific molecular geometries.

Basic Information

Product Name	[1S-(1Alpha,3Abeta,4Alpha,8Abeta)]-2-(Decahydro-4,8,8-Trimethyl-1,4-Methanoazulen-9-Ylidene)Ethyl Acetate
CAS No.	27530-63-8
Molecular Formula	C20H30O2
Molecular Weight	302.45 g/mol
Synonyms	2-[(1S,3aR,4S,8aR)-Decahydro-4,8,8-trimethyl-1,4-methanoazulen-9-ylidene]ethyl acetate; (1S,3aR,4S,8aR)-2-(Decahydro-4,8,8-trimethyl-1,4-methanoazulen-9-ylidene)ethyl acetate; Ethyl Acetate Derivative of Dihydro-γ-Ionone; Amberketone Precursor; Sesquiterpenoid Ethyl Acetate; (1S,3aR,4S,8aR)-9-(2-Acetoxyethylidene)-1,2,3,3a,4,5,6,7,8,8a-decahydro-4,8,8-trimethyl-1,4-methanoazulene
EINECS	Contact for details

Quality Control

Our production of [1S-(1Alpha,3Abeta,4Alpha,8Abeta)]-2-(Decahydro-4,8,8-Trimethyl-1,4-Methanoazulen-9-Ylidene)Ethyl Acetate adheres to stringent quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to confirm identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your internal quality standards and research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
Specific Rotation	Contact for details
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.