4H,8H-Benzo[1,2-b:3,4-b′]dipyran-4-one, 2,3,9,10-tetrahydro-3,5-dihydroxy-2-(4-hydroxyphenyl)-8,8-dimethyl-

CAS Registry Number®

523-60-4

CAS Name

4H,8H-Benzo[1,2-b:3,4-b′]dipyran-4-one, 2,3,9,10-tetrahydro-3,5-dihydroxy-2-(4-hydroxyphenyl)-8,8-dimethyl-

Molecular Formula

C20H20O6

Molecular Mass

356.37

Cite this Page

4H,8H-Benzo[1,2-b:3,4-b′]dipyran-4-one, 2,3,9,10-tetrahydro-3,5-dihydroxy-2-(4-hydroxyphenyl)-8,8-dimethyl-.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=523-60-4 (retrieved 2025-01-30) (CAS RN: 523-60-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    218-220 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C20H20O6/c1-20(2)8-7-12-14(26-20)9-13(22)15-16(23)17(24)18(25-19(12)15)10-3-5-11(21)6-4-10/h3-6,9,17-18,21-22,24H,7-8H2,1-2H3

InChIKey

InChIKey=IQOIPKBZJPSWAV-UHFFFAOYSA-N

SMILES

O=C1C2=C(C3=C(C=C2O)OC(C)(C)CC3)OC(C1O)C4=CC=C(O)C=C4

Canonical SMILES

O=C1C2=C(O)C=C3OC(C)(C)CCC3=C2OC(C4=CC=C(O)C=C4)C1O

Other Names for this Substance

  • 4H,8H-Benzo[1,2-b:3,4-b′]dipyran-4-one, 2,3,9,10-tetrahydro-3,5-dihydroxy-2-(4-hydroxyphenyl)-8,8-dimethyl-
  • Phellamuretin
  • Phellamiretin

Deleted or Replaced CAS Registry Numbers

20194-35-8