Description

4H-1-Benzopyran-4-One, 6-[2-o-(6-Deoxy-α-L-Mannopyranosyl)-β-D-Glucopyranosyl]-5-Hydroxy-2-(4-Hydroxyphenyl)-7-Methoxy- is a complex flavonoid glycoside, a high-purity reference standard and key intermediate for advanced research and development. This compound is valued for its precise chemical structure, which is essential for studying flavonoid metabolism, bioavailability, and biological activity. It is primarily sought by pharmaceutical R&D laboratories, nutraceutical formulators, and academic institutions conducting research in natural product chemistry and pharmacology.

Application

• Pharmaceutical Reference Standard: Used as a certified standard for the identification, purity testing, and quantification of flavonoid compounds in drug development and quality control.
• Nutraceutical & Dietary Supplement Research: Serves as a key ingredient or marker compound in studies focused on the health benefits, stability, and formulation of plant-based supplements.
• Academic & Biochemical Research: Employed in fundamental research to investigate antioxidant mechanisms, enzyme inhibition, cellular signaling pathways, and other biological activities of flavonoids.
• Analytical Method Development: Critical for developing and validating advanced analytical methods such as HPLC, LC-MS, and NMR for flavonoid analysis in complex matrices.
• Cosmeceutical Ingredient Development: Used in R&D for formulating advanced skincare products targeting oxidative stress and inflammation due to its potential bioactive properties.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 6-[2-o-(6-Deoxy-α-L-Mannopyranosyl)-β-D-Glucopyranosyl]-5-Hydroxy-2-(4-Hydroxyphenyl)-7-Methoxy-
CAS No.	83889-78-5
Molecular Formula	C28H32O15
Molecular Weight	608.55 g/mol
Synonyms	Kaempferol 3-O-robinobioside; Kaempferol 3-O-robinoside; Kaempferol 3-O-α-L-rhamnopyranosyl-(1→6)-β-D-glucopyranoside; Robinin (flavonoid); 5-Hydroxy-2-(4-hydroxyphenyl)-7-methoxy-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one; NSC 407303; 3-[[6-O-(6-Deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl]oxy]-5-hydroxy-2-(4-hydroxyphenyl)-7-methoxy-4H-1-benzopyran-4-one
EINECS	Contact for details

Quality Control

Our production of this high-purity flavonoid glycoside adheres to stringent quality protocols. Every batch is characterized and tested using advanced analytical techniques including HPLC, NMR, and Mass Spectrometry to confirm identity, purity, and structural integrity. We provide comprehensive Certificates of Analysis (COA) with detailed chromatographic data and are committed to supporting cGMP-compliant research and development. Specifications can be tailored to meet the rigorous demands of pharmaceutical reference standard applications.

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 product is light-sensitive (store away from light). For long-term storage, consider desiccation to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥95.0%
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals	≤20 ppm
Residual Solvents	Meets ICH guidelines

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