Description

1,3-Dioxane, 2-Ethynyl-2,4-Dimethyl-, cis- (9Ci) is a specialized heterocyclic compound featuring a dioxane ring with an ethynyl substituent, identified by CAS number 113630-88-9. This unique structure makes it a valuable high-purity intermediate for advanced organic synthesis and pharmaceutical research. It is primarily sought by R&D chemists and process development teams in the fine chemical, agrochemical, and pharmaceutical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the research and development of advanced crop protection agents and herbicides.
• Fine Chemical Production: Acts as a precursor for specialty chemicals, flavors, and fragrances requiring specific cyclic ether frameworks.
• Material Science Research: Employed in the development of novel polymers and advanced organic materials.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry, particularly in reactions involving acetylenic compounds.

Basic Information

Product Name	1,3-Dioxane, 2-Ethynyl-2,4-Dimethyl-, cis- (9Ci)
CAS No.	113630-88-9
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	cis-2-Ethynyl-2,4-dimethyl-1,3-dioxane; 2-Ethynyl-2,4-dimethyl-1,3-dioxane, cis-; 2,4-Dimethyl-2-ethynyl-1,3-dioxane; (cis)-2-Ethynyl-2,4-dimethyl-1,3-dioxane; 1,3-Dioxane, 2-ethynyl-2,4-dimethyl-, (2R,4S)-rel-; 113630-88-9; cis-2,4-Dimethyl-2-ethynyl-1,3-dioxane
EINECS	Contact for details

Quality Control

Our 1,3-Dioxane, 2-Ethynyl-2,4-Dimethyl-, cis- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing including GC, HPLC, and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality system is designed to meet the stringent requirements of research and cGMP-grade manufacturing environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are securely sealed. Recommended storage temperature is 2-8°C for long-term stability. Keep under an inert atmosphere if specified for the grade.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Purity (HPLC)	≥ 96.0%
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.