Description

2H-Pyran-2-One,5,6-Dihydro-4-Methoxy-(9Ci) is a specialized heterocyclic organic compound, identified by CAS NO 83920-64-3, that serves as a valuable synthetic intermediate and building block in advanced chemical synthesis. Its unique pyranone core structure makes it a versatile precursor for the development of pharmaceuticals, agrochemicals, and fine chemicals. This high-purity compound is essential for research and development chemists, process scale-up specialists, and manufacturers in the life sciences and specialty chemical sectors seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with heterocyclic frameworks.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other performance chemicals requiring specific lactone or ether functionalities.
• Flavor & Fragrance Chemistry: Potential intermediate for creating complex aroma molecules and synthetic flavors due to its oxygenated heterocyclic structure.
• Material Science Research: Investigated as a monomer or modifying agent in the development of specialized polymers and advanced materials.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	2H-Pyran-2-One,5,6-Dihydro-4-Methoxy-(9Ci)
CAS No.	83920-64-3
Molecular Formula	C6H8O3
Molecular Weight	128.13 g/mol
Synonyms	4-Methoxy-5,6-dihydro-2H-pyran-2-one; 5,6-Dihydro-4-methoxy-2H-pyran-2-one; Dihydro-4-methoxy-2H-pyran-2(3H)-one; 4-Methoxydihydro-2H-pyran-2-one; 83920-64-3; 4-Methoxy-5,6-dihydro-2-pyrone; 5,6-Dihydro-4-methoxy-2-pyrone
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-One,5,6-Dihydro-4-Methoxy-(9Ci) is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity against established specifications. Certificates of Analysis (COA) documenting all critical quality attributes are available for every shipment, providing full traceability and compliance support for your regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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