Description

(2S)-6-[(2S)-5,7-Dihydroxy-2-(4-Hydroxyphenyl)-4-Oxo-2,3,4A,8A-Tetrahydrochromen-6-Yl]-5,7-Dihydroxy-2-(4-Hydroxyphenyl)Chroman-4-One is a high-purity, complex flavonoid derivative of significant interest in advanced research and development. This compound matters for its potential as a key intermediate or reference standard in the synthesis of novel bioactive molecules. It is primarily needed by pharmaceutical R&D laboratories, nutraceutical formulators, and academic institutions focused on natural product chemistry and pharmacology.

Application

• Pharmaceutical Research & Development: Serves as a critical intermediate or building block for synthesizing novel drug candidates targeting inflammation, oxidative stress, and metabolic disorders.
• Reference Standard & Analytical Testing: Used as a high-purity certified reference material (CRM) for method development, validation, and quality control in HPLC, LC-MS, and other analytical techniques.
• Nutraceutical & Cosmetic Ingredient Research: Investigated for its potential antioxidant and bioactive properties in the development of advanced dietary supplements and cosmeceutical formulations.
• Biochemical & Pharmacological Studies: Employed in in vitro and in vivo studies to elucidate structure-activity relationships (SAR) and mechanisms of action within the flavonoid class.
• Academic & Institutional Research: A valuable compound for universities and research institutes conducting studies in organic synthesis, natural product chemistry, and medicinal chemistry.

Basic Information

Product Name	(2S)-6-[(2S)-5,7-Dihydroxy-2-(4-Hydroxyphenyl)-4-Oxo-2,3,4A,8A-Tetrahydrochromen-6-Yl]-5,7-Dihydroxy-2-(4-Hydroxyphenyl)Chroman-4-One
CAS No.	57291-00-6
Molecular Formula	C30H22O10
Molecular Weight	542.49 g/mol
Synonyms	Procyanidin B2; Procyanidol B2; Procyanidin B2 (8CI); (-)-Procyanidin B2; Dimeric Procyanidin B2; Catechin-(4α→8)-catechin; Epicatechin-(4β→8)-epicatechin; [2R-(2α,3α,4β)]-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol 4-(3-[(2R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]oxy)-4-hydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol
EINECS	Contact for details

Quality Control

Our (2S)-6-[(2S)-5,7-Dihydroxy-2-(4-Hydroxyphenyl)-4-Oxo-2,3,4A,8A-Tetrahydrochromen-6-Yl]-5,7-Dihydroxy-2-(4-Hydroxyphenyl)Chroman-4-One is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for research and development. A comprehensive Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the product under an inert atmosphere for long-term stability. Keep the container tightly sealed in a dry environment to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Purity (HPLC)	≥ 95.0%
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.