Pyrogallolphthalein

Molecular Formula: C20H12O7


InChI: InChI=1/C20H12O7/c21-13-7-5-11-17(15(13)23)26-18-12(6-8-14(22)16(18)24)20(11)10-4-2-1-3-9(10)19(25)27-20/h1-8,21-24H

InChIKey: InChIKey=PHLYOKFVXIVOJC-UHFFFAOYAD
SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C(=C(C=C4)O)O)OC5=C3C=CC(=C5O)O

Names:
    C.I. Mordant Violet 25
    C.I. 45445
    Fluoran, 3',4',5', 6'-tetrahydroxy-
    Fluorescein, 4',5'-dihydroxy-
    Gallein
    NSC56445
    Pyrogallolphthalein
    Spiro[isobenzofuran-1 (3H), 9'-[9H]xanthen]-3-one, 3',4',5',6'-tetrahydroxy-
    2103-64-2
    3',4',5',6'-tetrahydroxyspiro[isobenzofuran-3,9'-xanthene]-1-one
    4, 5-Dihydroxyfluorescein

Registries:
    PubChem CID 73685
    PubChem ID 105824