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Products
  • inquireDIRECT RED 23
    CAS NO : 3441-14-3;   MF : C35H27N7O10S2

    ;C.I. 29160;C.I. Direct Red 23 (VAN);C.I. Direct Red 23, disodium salt;C.I. Direct Red 23;C.I. Direct Red 23, disodium salt;Direct Red 23;Scarlet 4BS;disodium 4-oxo-3-(2-{4-[(2-o... >>>

  • inquireDIRECT RED 28
    CAS NO : 573-58-0;   MF : C32H22N6Na2O6S2

    C.I. 22120;C.I. Direct Red 28;C.I. Direct Red 28, disodium salt;C.I. Direct Red 28, disodium salt (8CI);Congo red;Direct Red 28;Congo red (0.1% in water)[for titration];Congo red... >>>

  • inquireDIRECT RED 31
    CAS NO : 5001-72-9;   MF : C32H21N5Na2O8S2

    ;C.I.Direct Red 31;Disodium 7,7'-iminobis(4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate);Direct Pink 5B;2-Naphthalenesulfonic acid, 7,7'-iminobis(4-hydroxy-3-(2-phenyldiazenyl)-... >>>

  • inquireDIRECT VIOLET 66
    CAS NO : 6798-03-4;   MF : C32H19Cu2N7Na2O14S4

    Cuprate(2-), (mu-((7,7'-iminobis(3-((5-(aminosulfonyl)-2-(hydroxy-kappaO)phenyl)azo-kappaN1)-4-(hydroxy-kappaO)-2-naphthalenesulfonato))(6-)))di-, disodium;Cuprate(2-), (mu-((7,7'... >>>

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