Description

(4E,8E)-6,6,9-Trimethyl-2-Methylene-4,8-Cycloundecadien-1-One CAS NO 19888-05-2 is a high-purity, specialized sesquiterpenoid ketone with a unique cyclic structure. This compound is valued for its distinct chemical backbone, which serves as a critical intermediate in the synthesis of complex fragrance molecules and bioactive compounds. It is primarily sought by manufacturers in the flavor and fragrance industry, as well as by research and development laboratories focused on organic synthesis and pharmaceutical intermediates.

Application

• Fragrance and Perfumery Intermediate: A key building block for synthesizing sophisticated woody, amber, and musk aroma chemicals.
• Flavoring Agent Precursor: Used in the development of complex natural flavor profiles for food and beverage applications.
• Pharmaceutical Research Intermediate: Serves as a versatile scaffold in medicinal chemistry for the discovery of new therapeutic agents.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for constructing complex polycyclic molecular architectures.
• Fine Chemical Production: Utilized in the manufacture of high-value specialty chemicals for various industrial applications.
• Reference Standard: Supplied as a high-purity analytical standard for quality control and research purposes.

Basic Information

Product Name	(4E,8E)-6,6,9-Trimethyl-2-Methylene-4,8-Cycloundecadien-1-One
CAS No.	19888-05-2
Molecular Formula	C₁₅H₂₂O
Molecular Weight	218.33 g/mol
Synonyms	6,6,9-Trimethyl-2-methylene-4,8-cycloundecadien-1-one; (4E,8E)-6,6,9-Trimethyl-2-methylidene-4,8-cycloundecadien-1-one; 2-Methylene-6,6,9-trimethyl-4,8-cycloundecadien-1-one; 4,8-Cycloundecadien-1-one, 6,6,9-trimethyl-2-methylene-, (4E,8E)-; Sesquiterpenoid ketone intermediate
EINECS	Contact for details

Quality Control

Our (4E,8E)-6,6,9-Trimethyl-2-Methylene-4,8-Cycloundecadien-1-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at a controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are sealed when not in use and stored away from heat sources and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Refractive Index	1.510 - 1.520
Specific Gravity	0.950 - 0.980

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