Description

(2S)-8-[5-[(S)-3,4-Dihydro-7-Hydroxy-4-Oxo-2H-1-Benzopyran-2-Yl]-2,3-Dihydroxyphenyl]-2,3-Dihydro-7-Hydroxy-2-(3,4,5-Trihydroxyphenyl)-4H-1-Benzopyran-4-One is a high-purity, complex flavonoid-derived compound of significant interest in advanced research and development. Its intricate molecular structure, featuring multiple phenolic and chromone moieties, makes it a valuable intermediate and reference standard for pharmaceutical and nutraceutical applications. This compound is primarily sought by R&D teams and manufacturers in the life sciences sector for its potential bioactive properties.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of novel therapeutic agents targeting oxidative stress and inflammation.
• Reference Standard: Used for analytical method development, validation, and quality control in pharmaceutical and botanical extract laboratories.
• Biochemical Research: Employed in in vitro and in vivo studies to investigate antioxidant, anti-inflammatory, and enzyme-modulating activities.
• Nutraceutical Development: A candidate ingredient for advanced dietary supplements focusing on cellular health and metabolic support.
• Cosmeceutical Actives: Investigated for potential use in premium skincare formulations for its polyphenolic structure.

Basic Information

Product Name	(2S)-8-[5-[(S)-3,4-Dihydro-7-Hydroxy-4-Oxo-2H-1-Benzopyran-2-Yl]-2,3-Dihydroxyphenyl]-2,3-Dihydro-7-Hydroxy-2-(3,4,5-Trihydroxyphenyl)-4H-1-Benzopyran-4-One
CAS No.	89505-02-2
Molecular Formula	C30H20O12
Molecular Weight	572.47 g/mol
Synonyms	Procyanidin B2 3,3'-di-O-gallate (common); Procyanidin B2 digallate; 3,3'-Di-O-galloylprocyanidin B2; Epicatechin-(4β→8, 2β→O→7)-epicatechin-3-O-gallate; Procyanidin dimer B2 3,3'-digallate; [8-[5-[(2S)-3,4-Dihydro-7-hydroxy-4-oxo-2H-chromen-2-yl]-2,3-dihydroxyphenyl]-7-hydroxy-2-(3,4,5-trihydroxyphenyl)-4-oxo-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate (IUPAC); Contact for additional aliases.
EINECS	Contact for details

Quality Control

Our production of this high-value compound adheres to strict quality management systems. Each batch is characterized and tested using advanced analytical techniques including HPLC, MS, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment. We support compliance with cGMP and ICH guidelines for pharmaceutical intermediates.

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 (store under inert atmosphere) and is light-sensitive (store away from light). For long-term storage, consider storage under an inert gas such as argon or nitrogen at -20°C.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 3.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Specific Optical Rotation	Contact for details

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