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afzelin

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Origin: China

Cas No: 482-39-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description
  • Property

    CAS No.: 482-39-3 Formula: C21H20O10 Molecular Weight: 432.37800

    Description

    Afzelin is a flavonol glycoside. It is the rhamnoside of kaempferol. It is found in Nymphaea odorata.

    Basic Info

    Chemical Name afzelin
    Synonyms

    Kaempferol 3-rhamnoside;
    5,7-dihydroxy-2-(4-hydroxyphenyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxychromen-4-one;
    Kaempferol 3-O-Alpha-L-Rhamnoside;
    Afzelin;
    Trihydroxy-SL0101;
    Kaempferin;

    CAS No. 482-39-3
    Molecular Formula C21H20O10
    Molecular Weight 432.37800
    PSA 170.05000
    LogP 0.78310

    Properties

    Density 1.7g/cm3
    Boiling Point 765.6ºC at 760mmHg
    Flash Point 272.3ºC
    Refractive Index 1.748
    Vapor Pressure 1.19E-24mmHg at 25°C

    Synthesis Route

    5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-oneafzelin
    4',5,7-tri-O-benzyl-kaempferol 3-O-(2''-O-benzyl-α-L-rhamnopyranoside)afzelin
    Carbonic acid, (2S,6S)-5,6-dihydro-6-methyl-5-oxo-2H-pyran-2-yl 1,1-dimethylethyl esterafzelin

    Precursor

    3-((2S,6S)-5,6-dihydro-6-methyl-5-oxo-2H-pyran-2-yloxy)-5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-4H-chromen-4-one
    Carbonic acid, (2S,6S)-5,6-dihydro-6-methyl-5-oxo-2H-pyran-2-yl 1,1-dimethylethyl ester
    3-hydroxy-5,7-bis(phenylmethoxy)-2-(4-phenylmethoxyphenyl)chromen-4-one
    5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

    Downstream Product

    (2R,3R,4R,5R,6S)-6-methyloxane-2,3,4,5-tetrol
    kaempferol

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