Description

(E)-3-Tetradecen-5-Yne CAS NO 74744-44-8 is a high-purity, highly volatile aliphatic enyne compound characterized by its specific double and triple bond configuration. This unique structure makes it a valuable and versatile building block in advanced organic synthesis, particularly for constructing complex molecular frameworks. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty materials industries for applications requiring precise carbon chain elongation and functionalization.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel active pharmaceutical ingredients (APIs), especially for lipid-based or long-chain molecules.
• Agrochemical Synthesis: Used in the creation of specialized pesticides, herbicides, and plant growth regulators where specific alkene-alkyne motifs are required for biological activity.
• Material Science Research: Acts as a precursor in the development of advanced polymers, liquid crystals, or organic electronic materials due to its conjugated system potential.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, cycloadditions, and other catalytic transformations to introduce a 14-carbon chain with defined unsaturation.
• Fragrance & Flavor Chemistry: Utilized in the synthesis of macrocyclic musk compounds or other specialty aroma chemicals where the enyne unit contributes to the olfactory profile.
• Chemical Biology Probes: Incorporated into molecular probes and tags for studying biological processes, leveraging its reactivity for bio-conjugation.

Basic Information

Product Name	(E)-3-Tetradecen-5-Yne
CAS No.	74744-44-8
Molecular Formula	C₁₄H₂₄
Molecular Weight	192.34 g/mol
Synonyms	(E)-3-Tetradecen-5-yne; (E)-Tetradec-3-en-5-yne; 3-Tetradecen-5-yne, (E)-; 5-Tetradecen-3-yne, (E)-; trans-3-Tetradecen-5-yne; 3-Tetradecen-5-yne; trans-Tetradec-3-en-5-yne
EINECS	Contact for details

Quality Control

Our (E)-3-Tetradecen-5-Yne is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment. We support cGMP and ISO standards for research and development materials.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place at recommended temperatures of 2°C to 8°C (refrigerated) or under inert atmosphere (argon/nitrogen) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

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

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