Description

8-Oxo-17-Octadecene-9,11-Diynoic Acid Methyl Ester is a specialized, high-purity synthetic intermediate characterized by its unique conjugated enediyne structure. This compound matters for its role as a critical building block in advanced organic synthesis, particularly for constructing complex molecular frameworks found in pharmaceuticals and novel materials. It is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced material sectors who require precise, reliable intermediates for complex synthetic routes.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex bioactive molecules and potential active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel crop protection agents and herbicides due to its reactive functional groups.
• Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic chemistry, including cycloaddition reactions and cascade transformations.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	8-Oxo-17-Octadecene-9,11-Diynoic Acid Methyl Ester
CAS No.	75112-83-3
Molecular Formula	C19H24O3
Molecular Weight	300.39 g/mol
Synonyms	Methyl 8-oxo-17-octadecene-9,11-diynoate; 17-Octadecene-9,11-diynoic acid, 8-oxo-, methyl ester; Methyl 8-oxooctadeca-17-ene-9,11-diynoate; (9E,11E)-Methyl 8-oxooctadeca-9,11,17-trienoate (tautomeric form); Octadecene-diynoic acid methyl ester derivative; Conjugated enediyne methyl ester; C19 Fatty Acid Derivative Intermediate
EINECS	Contact for details

Quality Control

Our 8-Oxo-17-Octadecene-9,11-Diynoic Acid Methyl Ester is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request, supporting compliance with cGMP and ISO 9001 standards for research and development use.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Keep away from heat, sparks, and open flames. Due to its sensitivity, minimize exposure to air and moisture during handling.

Specification

Item	Specification
Appearance	Yellow to light brown viscous liquid or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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