Description

Ethenone, Bicyclo[4.1.0]Hepta-1,3,5-Trien-7-Ylidene- (9Ci) is a specialized bicyclic organic compound with a unique strained-ring structure incorporating an ethenone moiety. This compound serves as a valuable highly reactive synthon and building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily utilized by research institutions and fine chemical manufacturers engaged in the development of novel pharmaceuticals, agrochemicals, and advanced materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) with complex polycyclic frameworks.
• Agrochemical Research: Building block for developing new generations of herbicides, fungicides, and insecticides with unique modes of action.
• Material Science: Monomer or cross-linking agent in the development of specialty polymers and advanced organic electronic materials.
• Academic & R&D: Critical reagent in methodological organic chemistry research for studying cycloaddition reactions and strain-release chemistry.
• Fine Chemical Synthesis: Used in the multi-step synthesis of complex natural product analogs and other high-value specialty chemicals.

Basic Information

Product Name	Ethenone, Bicyclo[4.1.0]Hepta-1,3,5-Trien-7-Ylidene- (9Ci)
CAS No.	119463-23-9
Molecular Formula	C9H6O
Molecular Weight	130.14 g/mol
Synonyms	7-Oxabicyclo[4.1.0]hepta-1,3,5-trien-7-ylideneethene; Bicyclo[4.1.0]hepta-1,3,5-trien-7-ylidene-ethenone; 7-Oxabicyclo[4.1.0]hepta-1,3,5-trien-7-ylidene-ethene; 7-Oxanorbornadienylideneethene; (7-Oxabicyclo[4.1.0]hepta-1,3,5-trien-7-ylidene)ethene
EINECS	Contact for details

Quality Control

Our production of Ethenone, Bicyclo[4.1.0]Hepta-1,3,5-Trien-7-Ylidene- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for sensitive synthetic applications. Each lot is characterized using advanced analytical techniques including NMR, GC-MS, and HPLC to confirm identity and purity. Certificates of Analysis (COA) documenting all critical quality attributes are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Isolate from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid / solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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