Description

(E)-16-Chlorohexadec-5-En-9-Yne CAS NO 70682-66-5 is a high-purity, long-chain aliphatic compound featuring a unique combination of a chloro, an ene, and a yne functional group. This specific molecular architecture makes it a valuable and versatile advanced intermediate for organic synthesis and materials science research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular frameworks.

Application

This specialized organic intermediate serves as a key building block in sophisticated chemical synthesis. Its primary applications include:

• Pharmaceutical Intermediate: Used in the research and synthesis of novel active pharmaceutical ingredients (APIs), particularly for introducing specific carbon chain functionalities.
• Agrochemical Synthesis: Acts as a precursor in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science Research: Employed in the creation of specialty monomers for polymers, liquid crystals, or advanced organic materials.
• Cross-Coupling Reactions: Serves as a substrate in palladium-catalyzed reactions (e.g., Sonogashira, Heck) due to its alkyne and alkene moieties.
• Organic Synthesis Building Block: Utilized in academic and industrial R&D for the stepwise construction of complex natural products or functional molecules.
• Ligand and Catalyst Development: Can be used to synthesize novel chelating ligands or functionalize catalyst surfaces.

Basic Information

Product Name	(E)-16-Chlorohexadec-5-En-9-Yne
CAS No.	70682-66-5
Molecular Formula	C₁₆H₂₇Cl
Molecular Weight	254.84 g/mol
Synonyms	16-Chloro-5-hexadecen-9-yne; (E)-16-Chloro-5-hexadecen-9-yne; 5-Hexadecen-9-yne, 16-chloro-, (E)-; trans-16-Chlorohexadec-5-en-9-yne; 16-Chloro-(E)-5-hexadecen-9-yne; Chloroalkenyl alkyne C16; C16 Chloro Terminal Alkenyne
EINECS	Contact for details

Quality Control

Our (E)-16-Chlorohexadec-5-En-9-Yne is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical quality attributes. Our quality system is designed to meet the rigorous standards required for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Isomeric Purity ((E)-isomer)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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