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Substance Name: Astilbin
RN: 29838-67-3
InChIKey: ZROGCCBNZBKLEL-MPRHSVQHSA-N

Note

  • Dihydroflavonol from Kohki tea processed from Engelhardtia chrysolepis (huang-qui); astilbin is the (2R-trans)-isomer; neoisoastilbin is the (2S-cis)-isomer and is Sweetening Agents; isoastilbin is the (2R-cis)-isomer.

Molecular Formula

  • C21-H22-O11

Molecular Weight

  • 450.394
 
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Names and Synonyms

Name of Substance

  • Astilbin

Synonyms

  • (2R-trans)-3-((6-Deoxy-alpha-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-4H-1-benzopyran-4-one
  • Isoastilbin
  • Neoisoastilbin

Systematic Names

  • 4H-1-Benzopyran-4-one, 3-((6-deoxy-alpha-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R,3R)-
  • 4H-1-Benzopyran-4-one, 3-((6-deoxy-alpha-L-mannopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5,7-dihydroxy-, (2R-trans)-

Registry Numbers

CAS Registry Number

  • 29838-67-3

System Generated Number

  • 0029838673

Structure Descriptors

InChI

1S/C21H22O11/c1-7-15(26)17(28)18(29)21(30-7)32-20-16(27)14-12(25)5-9(22)6-13(14)31-19(20)8-2-3-10(23)11(24)4-8/h2-7,15,17-26,28-29H,1H3/t7-,15-,17+,18+,19+,20-,21-/m0/s1

InChIKey

ZROGCCBNZBKLEL-MPRHSVQHSA-N

Smiles

c1(cc2O[C@@H]([C@H](C(c2c(O)c1)=O)O[C@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)C)O)O)O)c1cc(c(cc1)O)O)O