Description

4H-1-Benzopyran-4-One,5-Hydroxy-2-Phenyl-,Radicalion(1+)(9Ci) is a specialized organic cation, a derivative of flavone, with the CAS registry number 66585-06-6. This compound is valued as a key synthetic intermediate and research chemical for developing novel materials and active pharmaceutical ingredients. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for its unique structural framework.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates, particularly those targeting neurological or inflammatory pathways.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides, leveraging its flavone-based bioactive core.
• Organic Synthesis Reagent: Acts as a versatile precursor for creating complex heterocyclic compounds and functionalized chromone derivatives in academic and industrial laboratories.
• Material Science: Investigated for the development of organic semiconductors, photoresists, or specialty dyes due to its conjugated π-electron system.
• Biochemical Research: Employed as a probe or standard in studies related to flavonoid metabolism, antioxidant mechanisms, or enzyme inhibition assays.

Basic Information

Product Name	4H-1-Benzopyran-4-One,5-Hydroxy-2-Phenyl-,Radicalion(1+)(9Ci)
CAS No.	66585-06-6
Molecular Formula	C₁₅H₁₁O₃⁺
Molecular Weight	239.25 g/mol
Synonyms	5-Hydroxy-2-phenyl-4H-chromen-4-ylium; 5-Hydroxyflavylium cation; 2-Phenyl-5-hydroxychromenylium; Flavylium cation, 5-hydroxy-; 5-Hydroxy-2-phenylchromenylium; 66585-06-6; 4H-1-Benzopyran-4-one, 5-hydroxy-2-phenyl-, radical ion(1+)
EINECS	Contact for details

Quality Control

Our production of 4H-1-Benzopyran-4-One,5-Hydroxy-2-Phenyl-,Radicalion(1+)(9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistency and reliability for your critical research and development work. A detailed Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, handling should be conducted under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95% (Standard Grade)
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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