Description

[2S-[2Alpha,3Beta(2'S*,3'S*)]]-2,2'-Bis(3,4-Dihydroxyphenyl)-2,2',3,3'-Tetrahydro-3',5,5',7,7'-Pentahydroxy[3,8'-Bi-4H-1-Benzopyran]-4,4'-Dione CAS NO 73428-17-8 is a complex biflavonoid compound with a unique stereochemical configuration. This molecule is of significant interest due to its potent antioxidant and potential bioactive properties derived from its multiple phenolic hydroxyl groups. It is primarily sought by researchers and developers in the pharmaceutical, nutraceutical, and advanced material science sectors for its role as a key intermediate or reference standard.

Application

• Pharmaceutical Research & Development: Serves as a high-purity reference standard or intermediate for investigating novel therapeutics, particularly in areas targeting oxidative stress and inflammation.
• Nutraceutical & Cosmetic Actives: Used in the formulation of premium antioxidant supplements and advanced skincare products for its potential free radical scavenging activity.
• Biochemical Research: Employed as a specific probe or substrate in enzymatic studies and for exploring structure-activity relationships (SAR) within the flavonoid class.
• Analytical Chemistry: Utilized as a certified reference material (CRM) for method development, validation, and quality control in HPLC and LC-MS analyses.
• Material Science: Investigated for its potential application in creating novel organic compounds or polymers with specific electronic or photochemical properties.

Basic Information

Item	Detail
Product Name	[2S-[2Alpha,3Beta(2'S*,3'S*)]]-2,2'-Bis(3,4-Dihydroxyphenyl)-2,2',3,3'-Tetrahydro-3',5,5',7,7'-Pentahydroxy[3,8'-Bi-4H-1-Benzopyran]-4,4'-Dione
CAS No.	73428-17-8
Molecular Formula	C₃₀H₂₂O₁₄
Molecular Weight	582.49 g/mol
Synonyms	2,2',3,3'-Tetrahydro-3,3',5,5',7,7'-hexahydroxy[3,8'-biflavan]-4,4'-dione; (2S,3S)-2,3-trans-3,3',5,5',7,7'-Hexahydroxy[3,8'-biflavan]-4,4'-dione; Amentoflavone derivative; Bis(3,4-dihydroxyphenyl) biflavonoid; CAS 73428-17-8; [3,8'-Bi-4H-1-benzopyran]-4,4'-dione derivative; Complex biflavonoid standard
EINECS	Contact for details

Quality Control

Our [2S-[2Alpha,3Beta(2'S*,3'S*)]]-2,2'-Bis(3,4-Dihydroxyphenyl)-2,2',3,3'-Tetrahydro-3',5,5',7,7'-Pentahydroxy[3,8'-Bi-4H-1-Benzopyran]-4,4'-Dione is produced and handled under strict quality management protocols. 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 development. Certificates of Analysis (COA) detailing batch-specific results 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). Due to its sensitivity to oxidation, long-term storage under an inert atmosphere (e.g., nitrogen or argon) is recommended for optimal stability.

Specification

Item	Specification
Appearance	Yellow to light 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%
Heavy Metals (as Pb)	≤ 20 ppm

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