Description

(4Ar)-4A,5,6,6Aα,7,8,9,10,10A,10Bα-Decahydro-4Aβ,7,7,10Aβ-Tetramethyl-3H-Naphtho[2,1-B]Pyran-3-One is a high-purity, complex sesquiterpene lactone derivative with a defined stereochemistry, serving as a critical advanced intermediate in fine chemical synthesis. Its value lies in its unique fused ring structure, which provides a versatile chiral scaffold for constructing more complex molecules in pharmaceutical and agrochemical research. This compound is essential for R&D chemists and process development scientists in the life sciences sector seeking to develop new active ingredients.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of novel therapeutic agents, particularly in steroid and terpenoid-based drug discovery.
• Agrochemical Research: Used as a precursor in developing new generation pesticides and herbicides with specific biological activity.
• Fragrance & Flavor Synthesis: Serves as a starting material for creating complex, naturally-derived odorants and flavor compounds due to its sesquiterpenoid backbone.
• Organic Synthesis Reference Standard: Provides a high-purity standard for analytical method development and quality control in chemical production.
• Material Science Research: Investigated as a monomer or additive for specialty polymers with unique optical or mechanical properties.

Basic Information

Product Name	(4Ar)-4A,5,6,6Aα,7,8,9,10,10A,10Bα-Decahydro-4Aβ,7,7,10Aβ-Tetramethyl-3H-Naphtho[2,1-B]Pyran-3-One
CAS No.	52811-58-2
Molecular Formula	C19H30O2
Molecular Weight	290.44 g/mol
Synonyms	3H-Naphtho[2,1-b]pyran-3-one, decahydro-4a,7,7,10a-tetramethyl-, [4aR-(4aα,6aα,10aβ,10bα)]-; Ambrial; 8,9-Dihydroambrinol; (4aR,6aS,10aS,10bR)-Decahydro-4a,7,7,10a-tetramethyl-3H-naphtho[2,1-b]pyran-3-one; Ambrinol; Ambrinol (terpenoid); Ambrinol terpene; Ambrinol [terpenoid]
EINECS	Contact for details

Quality Control

Our (4Ar)-4A,5,6,6Aα,7,8,9,10,10A,10Bα-Decahydro-4Aβ,7,7,10Aβ-Tetramethyl-3H-Naphtho[2,1-B]Pyran-3-One is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing including HPLC, GC, NMR, and chiral analysis to ensure high chemical and isomeric purity. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your regulatory and R&D requirements.

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). This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term storage to prevent potential oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity	≤ 0.5%
Total Impurities	≤ 2.0%

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