Cas no 17291-05-3 (2H-1-Benzopyran-3,5,7-triol,2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-, (2R,3R)-)

2H-1-Benzopyran-3,5,7-triol,2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-, (2R,3R)- structure
17291-05-3 structure
Product Name:2H-1-Benzopyran-3,5,7-triol,2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-, (2R,3R)-
CAS No:17291-05-3
MF:C16H16O7
MW:320.294045448303
CID:158125
PubChem ID:176920
Update Time:2025-04-19

2H-1-Benzopyran-3,5,7-triol,2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-, (2R,3R)- Chemical and Physical Properties

Names and Identifiers

    • 2H-1-Benzopyran-3,5,7-triol,2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-, (2R,3R)-
    • (-)-EGC-4'-O-ME
    • 4'-O-methyl-epigallocatechin
    • (-)-EPIGALLOCATECHIN-4'-O-METHYL ETHER
    • (-)-Epigallocatechin-4'-O-methylether 〔(-)-EGC-4'-O-Me〕
    • Ourateacatechin
    • 3,3',5,5',7-Flavanpentol, 4'-methoxy-, (-)-
    • DTXSID00938238
    • 2H-1-Benzopyran-3,5,7-triol, 2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-, (2R,3R)-
    • 4'-O-Methyl-epi-gallocatechin
    • 17291-05-3
    • Ouratea catechin
    • (-)-4'-O-methylepigallocatechin
    • Q27138593
    • (-)-4''-O-methylepigallocatechin
    • LMPK12020134
    • 4'-Methyl-(-)-epigallocatechin
    • 4'-O-Methyl-(-)-epigallocatechin
    • UNII-WM87TQ077U
    • BDBM50260057
    • CHEMBL485460
    • CHEBI:70253
    • (2R,3R)-2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
    • Ouratea-Catechin
    • (-)-4'-Methylepigallocatechin
    • SCHEMBL13099972
    • 2H-1-Benzopyran-3,5,7-triol, 2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-, (2R-cis)-
    • 4'-Methylepigallocatechin
    • 4'-O-Methyl-(-)-Epi-Gallocatechin
    • 4'-O-Methylepigallocatechin
    • WM87TQ077U
    • 2-(3,5-Dihydroxy-4-methoxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol
    • 4'-Methyl-epigallocatechin
    • ConMedNP.1821
    • Gallocatechin 4'-methyl ether
    • Dataset-S1.355
    • Dataset-S1.354
    • 4'-O-methylgallocatechin
    • (2R,3S)-2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
    • ConMedNP.1820
    • ent-Gallocatechin 4'-methyl ether
    • Inchi： 1S/C16H16O7/c1-22-16-11(19)2-7(3-12(16)20)15-13(21)6-9-10(18)4-8(17)5-14(9)23-15/h2-5,13,15,17-21H,6H2,1H3/t13-,15-/m1/s1
    • InChI Key： ITDYPNOEEHONAH-UKRRQHHQSA-N
    • SMILES： O1C2C=C(C=C(C=2C[C@H]([C@H]1C1C=C(C(=C(C=1)O)OC)O)O)O)O

Computed Properties

  • Exact Mass: 320.09000
  • Monoisotopic Mass: 320.08960285g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 5
  • Hydrogen Bond Acceptor Count: 7
  • Heavy Atom Count: 23
  • Rotatable Bond Count: 2
  • Complexity: 394
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 2
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: 0.3
  • Topological Polar Surface Area: 120?2

Experimental Properties

  • PSA: 119.61000
  • LogP: 1.55470

2H-1-Benzopyran-3,5,7-triol,2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-, (2R,3R)- Customs Data

  • HS CODE：2932999099
  • Customs Data：

    China Customs Code:

    2932999099

    Overview:

    2932999099. Other heterocyclic compounds containing only oxygen heteroatoms. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to

    Summary:

    2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

2H-1-Benzopyran-3,5,7-triol,2-(3,5-dihydroxy-4-methoxyphenyl)-3,4-dihydro-, (2R,3R)- Related Literature

Related Categories

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