catechol definition

  • noun:
    • See catechin.
    • A biologically crucial organic phenol, having two hydroxyl groups attached to the benzene ring.
    • The biologically essential diphenol ortho-dihydroxy benzene; isomeric with hydroquinone and resorcinol.
    • any one of a group of chemicals having a benzene band substituted with two hydroxyl groups in ortho place, especially ortho-dihydroxybenzene itself (C6H6O2), also referred to as pyrocatechol, utilized in photography and also as a reagent.
    • identical to pyrocatechol or *pyrocatechin.

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