Description

[1E,5Z,Pr]-1,5-Cyclooctadiene CAS NO 5259-72-3 is a specialized, high-purity cyclic diene compound characterized by its specific stereochemistry. This compound matters as a valuable chiral building block and ligand precursor in advanced organic synthesis and catalysis. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and catalytic processes.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Catalyst Ligand Precursor: Used in the preparation of chiral ligands for asymmetric catalysis, including hydrogenation and cross-coupling reactions.
• Fine Chemical Synthesis: Acts as a versatile building block for creating specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Polymer & Material Science Research: Investigated as a monomer or cross-linking agent for developing novel polymers with unique properties.
• Agrochemical Development: Employed in the research and synthesis of advanced, stereochemically-defined pesticides and herbicides.
• Academic & Industrial R&D: A critical reagent for methodological development in organic chemistry and process chemistry optimization.

Basic Information

Product Name	[1E,5Z,Pr]-1,5-Cyclooctadiene
CAS No.	5259-72-3
Molecular Formula	C8H12
Molecular Weight	108.18 g/mol
Synonyms	(1E,5Z)-1,5-Cyclooctadiene; (E,Z)-1,5-Cyclooctadiene; 1,5-Cyclooctadiene, (1E,5Z)-; trans,cis-1,5-Cyclooctadiene; 1,5-COD (stereospecific); Cycloocta-1,5-diene, (1E,5Z)-; Bicyclo[3.3.0]octa-1,5-diene (related skeleton)
EINECS	Contact for details

Quality Control

Our [1E,5Z,Pr]-1,5-Cyclooctadiene is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by GC or HPLC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available for every shipment upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and volatility. Keep away from heat, sparks, and open flames. The container should be kept in a cool, well-ventilated place.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Chiral Purity (Isomeric Ratio)	≥ 95:5 (1E,5Z:other isomers)
Water Content (KF)	≤ 0.5%

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