Description

2-(4-Hydroxyphenyl)-5-Hydroxy-8,8-Dimethyl-4H,8H-Benzo[1,2-B:5,4-B']Dipyran-4-One is a specialized organic compound belonging to the benzodipyranone class, valued for its unique fused-ring structure and phenolic hydroxyl groups. This compound serves as a critical advanced intermediate or reference standard in research and development, particularly for synthesizing novel molecules with targeted biological activity. It is primarily needed by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic research institutions exploring new therapeutic agents or functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in oncology and anti-inflammatory research.
• Reference Standard: Used in analytical chemistry for method development, validation, and quality control of related substances.
• Biochemical Research: Investigated for its potential biological activities, including antioxidant, enzyme inhibition, or receptor binding properties.
• Fine Chemical Synthesis: Serves as a precursor for creating complex heterocyclic compounds and specialty chemicals.
• Material Science Research: Potential monomer or additive in the development of advanced polymers or organic electronic materials due to its conjugated system.

Basic Information

Product Name	2-(4-Hydroxyphenyl)-5-Hydroxy-8,8-Dimethyl-4H,8H-Benzo[1,2-B:5,4-B']Dipyran-4-One
CAS No.	57498-96-1
Molecular Formula	C21H18O5
Molecular Weight	350.37 g/mol
Synonyms	5-Hydroxy-2-(4-hydroxyphenyl)-8,8-dimethyl-4H,8H-benzo[1,2-b:5,4-b']dipyran-4-one; 8,8-Dimethyl-2-(4-hydroxyphenyl)-5-hydroxy-4H,8H-benzo[1,2-b:5,4-b']dipyran-4-one; Benzodipyran-4-one derivative; Flavonoid-related benzodipyranone; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 2-(4-Hydroxyphenyl)-5-Hydroxy-8,8-Dimethyl-4H,8H-Benzo[1,2-B:5,4-B']Dipyran-4-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. We provide comprehensive Certificates of Analysis (COA) with each shipment to ensure traceability and compliance with your research or production specifications. Custom purity grades and analytical packages are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive; prolonged exposure to light should be avoided to maintain stability. Keep the container sealed in a dry environment to prevent any potential moisture uptake.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0% (Standard Grade)
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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