Description

(4R)-4α-Acetoxy-4Aα,5,6,7,7Aβ,8,8Aβ,8Bα-Octahydro-1,8,8-Trimethyl-5-Methylene-4H-Cyclopropa[3,4]Cyclohepta[1,2-C]Pyran is a high-purity, complex sesquiterpene derivative with a unique fused ring structure. This compound is valued as a critical intermediate in advanced organic synthesis, particularly for the development of novel fragrance molecules and biologically active compounds. It is essential for R&D and production teams in the flavor & fragrance, pharmaceutical, and fine chemical sectors seeking to create proprietary, high-value products.

Application

• Fragrance & Flavor Intermediate: Serves as a key building block for the synthesis of novel, complex woody, ambery, or musk-like aroma chemicals.
• Pharmaceutical Research: Used as a sophisticated scaffold or chiral intermediate in medicinal chemistry for developing new therapeutic agents.
• Fine Chemical Synthesis: Acts as a versatile starting material for synthesizing other specialized sesquiterpenoids and natural product analogs.
• Agrochemical Development: Potential use as an intermediate in creating new active ingredients with unique biological activity.
• Academic & Industrial R&D: Employed in chemical research to study complex ring-forming reactions and stereochemistry.

Basic Information

Product Name	(4R)-4α-Acetoxy-4Aα,5,6,7,7Aβ,8,8Aβ,8Bα-Octahydro-1,8,8-Trimethyl-5-Methylene-4H-Cyclopropa[3,4]Cyclohepta[1,2-C]Pyran
CAS No.	74320-19-7
Molecular Formula	C18H26O3
Molecular Weight	290.40 g/mol
Synonyms	4-Acetoxy-1,8,8-trimethyl-5-methylenespiro[2.5]oct-4-ene; (4R)-4α-Acetoxy-1,8,8-trimethyl-5-methylenespiro[2.5]oct-4-ene; 4-Acetoxy-1,8,8-trimethyl-5-methylenespiro[2.5]oct-4-ene; A derivative of Cedrol; Cedrol acetate derivative; Spiro[2.5]oct-4-ene derivative; Cedrene derivative acetate
EINECS	Contact for details

Quality Control

Our (4R)-4α-Acetoxy-4Aα,5,6,7,7Aβ,8,8Aβ,8Bα-Octahydro-1,8,8-Trimethyl-5-Methylene-4H-Cyclopropa[3,4]Cyclohepta[1,2-C]Pyran is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided to guarantee reliable performance in your sensitive synthesis processes.

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 incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 95.0%
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.