Description

4-Methoxy-6-(4-Methoxyphenyl)-5,6-Dihydropyran-2-One is a specialized organic compound belonging to the dihydropyranone class, serving as a valuable advanced pharmaceutical intermediate and key building block in synthetic organic chemistry. Its unique molecular structure makes it a critical precursor for the synthesis of complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and fine chemicals. This high-purity intermediate is essential for research and manufacturing organizations in the pharmaceutical, agrochemical, and material science sectors seeking reliable and scalable synthetic pathways.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Organic Synthesis: Used in cyclization and annulation reactions to construct complex heterocyclic frameworks prevalent in medicinal chemistry.
• Agrochemical Research: Serves as a precursor in the development of novel pesticides and herbicides with specific biological activity.
• Material Science: Investigated as a monomer or precursor for specialty polymers and advanced organic materials.
• Academic & R&D: A valuable reagent for methodological development in asymmetric synthesis and catalysis studies.
• Fine Chemical Production: Employed in the custom synthesis of high-value, low-volume specialty chemicals for various industrial applications.

Basic Information

Product Name	4-Methoxy-6-(4-Methoxyphenyl)-5,6-Dihydropyran-2-One
CAS No.	77972-75-9
Molecular Formula	C14H14O4
Molecular Weight	246.26 g/mol
Synonyms	6-(4-Methoxyphenyl)-4-methoxy-5,6-dihydro-2H-pyran-2-one; 4-Methoxy-6-(p-methoxyphenyl)-5,6-dihydro-2H-pyran-2-one; 5,6-Dihydro-4-methoxy-6-(4-methoxyphenyl)-2H-pyran-2-one; Dihydropyran-2-one derivative; p-Methoxyphenyl dihydropyranone
EINECS	Contact for details

Quality Control

Our 4-Methoxy-6-(4-Methoxyphenyl)-5,6-Dihydropyran-2-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and structural identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our production adheres to cGMP principles where applicable, ensuring consistency and reliability for critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. This compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single impurity	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines
Loss on Drying	≤ 0.5%

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