Description

5-Methoxy-2-Phenyl-8,8-Dimethyl-4H,8H-Benzo[1,2-B:3,4-B']Dipyran-4-One is a high-purity, complex organic heterocyclic compound valued for its defined molecular architecture and consistent performance. This specialty chemical serves as a critical advanced intermediate in the synthesis of novel compounds, particularly within pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on innovative active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic scaffolds.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its unique fused pyran structure.
• Material Science: Potential precursor for organic electronic materials or specialty polymers due to its conjugated system and functional groups.
• Chemical Synthesis: Serves as a versatile intermediate for further functionalization in academic and industrial organic chemistry research.
• Dye & Pigment Development: Acts as a core structure for creating novel chromophores with specific light-absorption properties.

Basic Information

Product Name	5-Methoxy-2-Phenyl-8,8-Dimethyl-4H,8H-Benzo[1,2-B:3,4-B']Dipyran-4-One
CAS No.	64125-33-3
Molecular Formula	C21H20O3
Molecular Weight	320.38 g/mol
Synonyms	5-Methoxy-2-phenyl-8,8-dimethyl-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one; 8,8-Dimethyl-5-methoxy-2-phenyl-4H,8H-benzo[1,2-b:3,4-b']dipyran-4-one; 5-Methoxy-2-phenyl-8,8-dimethyl-4H-benzo[1,2-b:3,4-b']dipyran-4-one; Benzo[1,2-b:3,4-b']dipyran-4-one, 5-methoxy-2-phenyl-8,8-dimethyl-; 64125-33-3
EINECS	Contact for details

Quality Control

Our production of 5-Methoxy-2-Phenyl-8,8-Dimethyl-4H,8H-Benzo[1,2-B:3,4-B']Dipyran-4-One adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets exacting R&D and process chemistry standards. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and specification compliance.

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). This compound is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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