Description

2H-Pyran-2-One, 5-Ethynyl-4,6-Dimethyl- (9Ci) is a specialized heterocyclic building block featuring a pyranone core with an ethynyl substituent. This compound is valued for its unique reactivity profile, making it a critical intermediate in advanced synthetic chemistry. It is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents and pesticides.
• Material Science Research: Serves as a precursor for developing functional organic materials and polymers with specific electronic or optical properties.
• Chemical Biology Probes: Utilized in the synthesis of molecular probes and tags due to the reactivity of the ethynyl group for click chemistry applications.
• Academic & Industrial R&D: Employed in exploratory organic synthesis for method development and creating novel chemical libraries.
• Fine Chemical Production: Acts as a building block for manufacturing complex, high-value specialty chemicals.

Basic Information

Product Name	2H-Pyran-2-One, 5-Ethynyl-4,6-Dimethyl- (9Ci)
CAS No.	112369-03-6
Molecular Formula	C9H8O2
Molecular Weight	148.16 g/mol
Synonyms	5-Ethynyl-4,6-dimethyl-2H-pyran-2-one; 4,6-Dimethyl-5-ethynyl-2-pyrone; 5-Ethynyl-4,6-dimethylpyran-2-one; 2H-Pyran-2-one, 5-ethynyl-4,6-dimethyl-; 5-Ethynyl-4,6-dimethyl-2-pyrone
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-One, 5-Ethynyl-4,6-Dimethyl- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.