Description

(2R,3R)-3,5,7-Trihydroxy-2-[(2S,3S)-2-(4-Hydroxy-3-Methoxyphenyl)-3-(Hydroxymethyl)-2,3-Dihydrobenzo[1,4]Dioxin-6-Yl]-4-Chromanone is a high-purity, stereochemically defined flavonoid derivative of significant interest in advanced research and development. This compound matters for its role as a key intermediate or reference standard in the synthesis and study of complex bioactive molecules. It is primarily needed by pharmaceutical R&D teams, nutraceutical formulators, and academic researchers focused on natural product chemistry and drug discovery.

Application

• Pharmaceutical Reference Standard: Serves as a certified standard for quality control and analytical method development in drug manufacturing.
• Bioactive Compound Research: Used as a key intermediate or probe in pharmacological studies targeting inflammation, oxidative stress, and metabolic pathways.
• Natural Product Synthesis: Acts as a sophisticated building block for the semi-synthesis of complex flavonoids and related natural products.
• Nutraceutical Development: Employed in the formulation and standardization of high-end dietary supplements requiring specific, pure flavonoid components.
• Academic & Institutional Research: Provides a tool for studying structure-activity relationships (SAR) and stereochemistry in organic and medicinal chemistry.
• Analytical Chemistry: Utilized as a calibration standard in advanced chromatographic (HPLC, LC-MS) and spectroscopic analyses.

Basic Information

Item	Details
Product Name	(2R,3R)-3,5,7-Trihydroxy-2-[(2S,3S)-2-(4-Hydroxy-3-Methoxyphenyl)-3-(Hydroxymethyl)-2,3-Dihydrobenzo[1,4]Dioxin-6-Yl]-4-Chromanone
CAS No.	142796-22-3
Molecular Formula	C25H22O11
Molecular Weight	498.44 g/mol
Synonyms	Taxifolin 3-O-(6''-O-galloyl)-β-D-glucopyranoside (stereoisomer); 2,3-Dihydroquercetin 3-O-(6''-O-galloyl)-β-D-glucopyranoside; Galloyl taxifolin glucoside; Flavonoid derivative 142796-22-3; (2R,3R)-Taxifolin 3-O-(6-O-galloyl)-β-D-glucopyranoside; Complex flavonol glycoside; Dihydroquercetin galloylglucoside
EINECS	Contact for details

Quality Control

Our (2R,3R)-3,5,7-Trihydroxy-2-[(2S,3S)-2-(4-Hydroxy-3-Methoxyphenyl)-3-(Hydroxymethyl)-2,3-Dihydrobenzo[1,4]Dioxin-6-Yl]-4-Chromanone is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the stringent requirements for research and development applications. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic 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 (15-25°C). This compound is easily oxidized; for long-term storage, consider keeping under an inert atmosphere. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
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.