Description

(+)-3-[1-[Bis(4-Hydroxyphenyl)Methyl]-2-Oxo-2-(2,4,6-Trihydroxyphenyl)Ethyl]-5,7-Dihydroxy-4H-1-Benzopyran-4-One is a high-purity, complex polyphenolic compound belonging to the flavone class. This compound is valued for its specific stereochemistry and unique molecular architecture, making it a critical reference standard and research-grade intermediate in advanced chemical synthesis. It is primarily sought by pharmaceutical R&D laboratories, academic research institutions, and specialty chemical manufacturers focusing on bioactive natural product derivatives.

Application

• Pharmaceutical Reference Standard: Used for the identification, assay, and purity testing of related active pharmaceutical ingredients (APIs) in method development and quality control.
• Biochemical Research: Serves as a key intermediate or probe in studying enzyme inhibition, receptor binding, and other biological pathways due to its polyphenolic structure.
• Natural Product Synthesis: Acts as a sophisticated building block in the total synthesis or semi-synthesis of complex flavonoids and related natural products.
• Analytical Chemistry: Employed as a high-purity calibrant or standard in chromatographic (HPLC, LC-MS) and spectroscopic analyses.
• Nutraceutical Research: Investigated for potential bioactivity in the development of advanced dietary supplements and functional food ingredients.
• Material Science Precursor: Explored for creating novel organic compounds with specific optical or electronic properties.

Basic Information

Product Name	(+)-3-[1-[Bis(4-Hydroxyphenyl)Methyl]-2-Oxo-2-(2,4,6-Trihydroxyphenyl)Ethyl]-5,7-Dihydroxy-4H-1-Benzopyran-4-One
CAS No.	93413-00-4
Molecular Formula	C36H26O11
Molecular Weight	634.59 g/mol
Synonyms	(+)-Bilobetin; (+)-5,7,4',4''',5'''-Pentahydroxy-3'''-methyl-3,8-biflavone; 5,7,4',4''',5'''-Pentahydroxy-3'''-methyl-3,8-biflavone; Bilobetin; (+)-1,3-Bis(4-hydroxyphenyl)-3-(2,4,6-trihydroxyphenyl)-2-propen-1-one derivative; Ginkgo biloba extract constituent; Flavonoid biflavone; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Every batch of our (+)-3-[1-[Bis(4-Hydroxyphenyl)Methyl]-2-Oxo-2-(2,4,6-Trihydroxyphenyl)Ethyl]-5,7-Dihydroxy-4H-1-Benzopyran-4-One undergoes rigorous analytical testing to ensure identity, purity, and consistency. Our quality protocols are designed to meet the stringent requirements of research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance processes.

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 material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere); prolonged exposure to air, light, or elevated temperatures should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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