Description

7-Oxabicyclo[4.1.0]heptan-2-one, 6-methyl-3-(1-methylethylidene)- is a specialized bicyclic lactone compound of significant interest in advanced organic synthesis. Its unique oxabicyclo structure and functional groups make it a valuable versatile chiral building block for constructing complex molecular architectures. This high-purity intermediate is primarily sought after by pharmaceutical R&D and fine chemical sectors for the development of active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for complex target molecules.
• Agrochemical Synthesis: Used in the production of advanced, high-efficacy crop protection agents and herbicides.
• Fragrance & Flavor Chemistry: Serves as a precursor for synthesizing unique odorants and flavor compounds with specific olfactory profiles.
• Material Science Research: Employed as a monomer or cross-linking agent in the development of specialized polymers and resins.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cycloaddition and ring-opening reactions.

Basic Information

Product Name	7-Oxabicyclo[4.1.0]heptan-2-one, 6-methyl-3-(1-methylethylidene)-
CAS No.	35178-55-3
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	6-Methyl-3-(1-methylethylidene)-7-oxabicyclo[4.1.0]heptan-2-one; 3-Isopropylidene-6-methyl-7-oxabicyclo[4.1.0]heptan-2-one; Carquejyl Acetate; Carquejol Acetate; 7-Oxabicyclo[4.1.0]heptan-2-one, 3-(1-methylethylidene)-6-methyl-; 3-Isopropenyl-6-methyl-7-oxabicyclo[4.1.0]heptan-2-one
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for this high-value intermediate. Every batch is analyzed using advanced chromatographic and spectroscopic techniques (GC, HPLC, NMR) to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment. Our quality system supports compliance with cGMP and ISO 9001 standards for reliable supply to regulated industries.

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). Due to its highly volatile and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) after opening to maintain product integrity and prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Optical Purity (Chiral HPLC)	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.