Description

(E)-1-Cyclononene CAS NO 3958-38-1 is a high-purity, unsaturated cyclic olefin characterized by its specific (E)-stereochemistry. This compound serves as a valuable and versatile building block in advanced organic synthesis and materials science research. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex bioactive molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Specialty Polymer Monomer: Acts as a precursor for ring-opening metathesis polymerization (ROMP) to create novel polymers with unique thermal and mechanical properties.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, hydrogenation studies, and other cycloaddition chemistry to create medium-sized ring systems.
• Ligand and Catalyst Development: Serves as a substrate for the synthesis of novel chiral ligands and organometallic catalysts.
• Fragrance and Flavor Chemistry: Used as an intermediate in the research and synthesis of specific macrocyclic musk and flavor compounds.

Basic Information

Product Name	(E)-1-Cyclononene
CAS No.	3958-38-1
Molecular Formula	C9H16
Molecular Weight	124.22 g/mol
Synonyms	(E)-Cyclononene; trans-Cyclononene; 1-Cyclononene, (E)-; Cyclonon-1-ene; (E)-1-Cyclononen; trans-1-Cyclononene; (E)-Cyclonon-1-ene; NSC 163045
EINECS	Contact for details

Quality Control

Our (E)-1-Cyclononene is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and isomeric integrity. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and conformance to agreed specifications. We support cGMP and ISO 9001 compliant manufacturing for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C or as specified on the label or COA. This product is easily oxidized (store under inert atmosphere). Keep away from heat, sparks, and open flames. Use in a well-ventilated area.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
(E)-Isomer Content (GC)	≥ 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.