Description

3,7-Dihydroxy-2-(4-Hydroxyphenyl)-1-Benzopyrylium is a flavonoid-derived chromophore, specifically a flavylium cation, known for its distinctive chemical structure and properties. This compound is valued for its role as a key intermediate and reference standard in the synthesis and analysis of complex natural pigments. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, nutraceutical, and analytical chemistry sectors.

Application

• Pharmaceutical Research: Serves as a crucial intermediate in the synthesis of novel flavonoid-based drug candidates and as a reference standard for analytical method development.
• Natural Product Chemistry: Used as a building block for the synthesis of anthocyanins and other complex plant pigments for research purposes.
• Analytical Standard: Employed as a high-purity certified reference material (CRM) for HPLC, LC-MS, and spectrophotometric analysis in quality control laboratories.
• Dye & Pigment Research: Investigated for its photophysical properties in the development of natural dyes and pH-sensitive indicators.
• Biochemical Studies: Utilized in studies exploring the antioxidant mechanisms and biochemical pathways of polyphenolic compounds.
• Cosmetic Science: Researched for potential applications in stabilizing colorants or for its bioactive properties in advanced skincare formulations.

Basic Information

Product Name	3,7-Dihydroxy-2-(4-Hydroxyphenyl)-1-Benzopyrylium
CAS No.	23130-31-6
Molecular Formula	C15H11O4+
Molecular Weight	255.24 g/mol
Synonyms	3,7,4'-Trihydroxyflavylium; 3,7,4'-Trihydroxyflavylium Chloride (common salt form); 2-(4-Hydroxyphenyl)-3,7-dihydroxy-1-benzopyrylium; Flavylium, 3,7,4'-trihydroxy-; Apigeninidin (common trivial name); 4',7-Dihydroxy-3-hydroxyflavylium; 3,7,4'-Trihydroxy-2-phenyl-1-benzopyrylium
EINECS	Contact for details

Quality Control

Our 3,7-Dihydroxy-2-(4-Hydroxyphenyl)-1-Benzopyrylium is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial use. Certificates of Analysis (COA) with detailed chromatographic data 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 (typically 15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 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.