Description

5H-1,4-Dioxepin, 5-Ethynyl-2,3-Dihydro-5-Methyl- (9Ci) is a specialized heterocyclic organic compound featuring a dioxepin core structure functionalized with an ethynyl group, making it a valuable synthetic intermediate. Its unique molecular architecture provides a versatile chemical handle for advanced organic synthesis, particularly in constructing complex pharmacophores and functional materials. This compound is primarily sought by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for use in medicinal chemistry, ligand synthesis, and polymer research.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), especially for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its reactive ethynyl moiety.
• Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers and resins with tailored thermal or mechanical properties.
• Ligand Synthesis: Employed in organometallic chemistry for the preparation of novel ligands used in catalysis and coordination chemistry.
• Chemical Biology Probes: Utilized as a scaffold for developing molecular probes and tags for studying biological systems via click chemistry.
• Academic & Industrial R&D: A critical reagent for methodological development and exploratory synthesis in organic chemistry laboratories.

Basic Information

Item	Details
Product Name	5H-1,4-Dioxepin, 5-Ethynyl-2,3-Dihydro-5-Methyl- (9Ci)
CAS No.	214967-70-1
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	5-Ethynyl-5-methyl-2,3-dihydro-5H-1,4-dioxepin; 5-Methyl-5-ethynyl-2,3-dihydro-1,4-dioxepin; 5-Ethynyl-5-methyl-2,3-dihydro-1,4-dioxepin; 214967-70-1; 5-Ethynyl-5-methyl-2,3-dihydro-5H-1,4-dioxepine; 5-Methyl-5-ethynyl-2,3-dihydro-5H-1,4-dioxepin
EINECS	Contact for details

Quality Control

Our 5H-1,4-Dioxepin, 5-Ethynyl-2,3-Dihydro-5-Methyl- (9Ci) is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our commitment to quality assurance supports your research and development needs with reliable, high-purity materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. 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 (HPLC)	≥ 97.0%
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.