Description

[1R-(1R*,5S*,9S*)]-4,11,11-Trimethyl-8-Methylenebicyclo[7.2.0]Undec-3-En-5-Yl Acetate CAS NO 67843-79-2 is a high-purity, specialized sesquiterpene derivative with a complex bicyclic structure. This compound is valued for its unique molecular framework, which serves as a critical intermediate in the synthesis of fine chemicals and advanced fragrance components. It is essential for R&D chemists and manufacturers in the flavor & fragrance, pharmaceutical, and agrochemical sectors seeking to develop novel compounds with specific olfactory or biological properties.

Application

• Fragrance & Flavor Intermediate: A key building block for synthesizing novel, high-value aroma chemicals with woody, amber, or musky notes.
• Pharmaceutical Research: Used as a sophisticated chiral synthon in the development of new active pharmaceutical ingredients (APIs) and therapeutic agents.
• Agrochemical Synthesis: Serves as a precursor in creating advanced crop protection agents and pheromones.
• Organic Synthesis & Catalysis: An important substrate for methodological studies in organic chemistry, including cyclization and functionalization reactions.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals requiring a specific, complex terpenoid backbone.
• Academic & Industrial R&D: A valuable reference standard and starting material for exploratory research in synthetic chemistry.

Basic Information

Product Name	[1R-(1R*,5S*,9S*)]-4,11,11-Trimethyl-8-Methylenebicyclo[7.2.0]Undec-3-En-5-Yl Acetate
CAS No.	67843-79-2
Molecular Formula	C₁₇H₂₆O₂
Molecular Weight	262.39 g/mol
Synonyms	Bicyclo[7.2.0]undec-3-en-5-ol, 4,11,11-trimethyl-8-methylene-, 5-acetate, (1R,5S,9S)-rel-; (1R,5S,9S)-4,11,11-Trimethyl-8-methylenebicyclo[7.2.0]undec-3-en-5-yl acetate; Acetic acid (1R,5S,9S)-4,11,11-trimethyl-8-methylenebicyclo[7.2.0]undec-3-en-5-yl ester; A Sesquiterpene Acetate Derivative; Contact for additional trade names and identifiers.
EINECS	Contact for details

Quality Control

Our [1R-(1R*,5S*,9S*)]-4,11,11-Trimethyl-8-Methylenebicyclo[7.2.0]Undec-3-En-5-Yl Acetate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity assessment and structural confirmation, to ensure high consistency and reliability for your synthetic processes. Certificates of Analysis (COA) detailing specific batch results are available upon request.

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 heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Typical 97-99%)
Specific Rotation	Contact for details
Refractive Index	Contact for details
Water Content (KF)	≤ 0.5%

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