Description

cis-9-Oxabicyclo[6.1.0]Nonane is a high-purity, strained bicyclic ether compound, also known as an oxirane-fused cycloheptane. This specialized chemical serves as a versatile and valuable intermediate and building block in advanced organic synthesis, prized for its unique three-membered oxirane ring that imparts significant reactivity. It is primarily sought after by pharmaceutical R&D teams and fine chemical manufacturers for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting complex ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents and herbicides, where its strained ring system can introduce specific biological activity.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for synthesizing specialty polymers with tailored thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial research for cycloaddition reactions, ring-opening polymerizations, and the synthesis of natural product analogs.
• Ligand & Catalyst Development: Serves as a precursor for creating chiral ligands and catalysts used in asymmetric synthesis.
• Epoxy Resin Modifier: Can be utilized to modify and enhance the performance characteristics of epoxy resin systems.

Basic Information

Product Name	cis-9-Oxabicyclo[6.1.0]Nonane
CAS No.	4925-71-7
Molecular Formula	C8H14O
Molecular Weight	126.20 g/mol
Synonyms	9-Oxabicyclo[6.1.0]nonane; cis-Cycloheptene oxide; 7,8-Epoxycycloheptane; Oxirane, (cis-cyclohept-4-en-1-yl)-; 1,2-Epoxy-4-cycloheptene; Bicyclo[6.1.0]nonane, 9-oxa-; (1α,2α,4α)-7,8-Epoxycycloheptane
EINECS	225-555-8

Quality Control

Our cis-9-Oxabicyclo[6.1.0]Nonane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and batch-to-batch consistency suitable for research and scale-up. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to the reactivity of the epoxide ring, store separately from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.470 - 1.480
Density (g/mL, 20°C)	0.98 - 1.02

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