Description

(1R,4Aα)-Decahydro-2α-(Acetyloxy)-2,5,5,8Aβ-Tetramethyl-1β-Naphthaleneacetic Acid Methyl Ester is a high-purity, complex organic ester derivative of a decalin structure. This compound serves as a critical advanced intermediate in the synthesis of complex molecules, valued for its defined stereochemistry and functional groups. It is primarily sought by pharmaceutical R&D and fine chemical manufacturers for developing novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: A key chiral building block in the research and development of new therapeutic agents, particularly in steroid-like or terpenoid-based drug discovery.
• Organic Synthesis Reagent: Used in academic and industrial laboratories for complex multi-step synthesis, leveraging its acetyloxy and ester functionalities for further chemical transformations.
• Fragrance & Flavor Precursor: Serves as a starting material for synthesizing high-value aroma chemicals with complex, woody, or amber olfactory notes due to its decalin backbone.
• Agrochemical Research: Employed in the development of novel pesticides or plant growth regulators where specific stereochemistry is crucial for biological activity.
• Material Science Research: Investigated as a monomer or modifier for creating specialized polymers with unique thermal or mechanical properties.

Basic Information

Product Name	(1R,4Aα)-Decahydro-2α-(Acetyloxy)-2,5,5,8Aβ-Tetramethyl-1β-Naphthaleneacetic Acid Methyl Ester
CAS No.	19954-81-5
Molecular Formula	C₂₁H₃₄O₄
Molecular Weight	350.49 g/mol
Synonyms	Methyl (1R,4aS,8aR)-2-(Acetyloxy)-1,4a,5,6,7,8,8a,9-octahydro-5,5,8a-trimethyl-1-naphthaleneacetate; Methyl (1R,4aS,8aR)-2-(Acetyloxy)decahydro-5,5,8a-trimethyl-1-naphthaleneacetate; 2α-Acetoxy-1β,4aβ,5α,8aα-Decahydro-5,5,8aβ-trimethyl-1-naphthaleneacetic Acid Methyl Ester; (1R,4aS,8aR)-2-(Acetyloxy)decahydro-5,5,8a-trimethyl-1-naphthaleneacetic Acid Methyl Ester; Aromatic Ester Intermediate; Decalin Ester Derivative
EINECS	Contact for details

Quality Control

Our production of (1R,4Aα)-Decahydro-2α-(Acetyloxy)-2,5,5,8Aβ-Tetramethyl-1β-Naphthaleneacetic Acid Methyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, and NMR to confirm identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing all relevant specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 96.0%
Specific Rotation	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.