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Gold Suppliers > Kelco Chemicals Co.,Ltd.
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Featured Products
  • inquireDirect Red 13
    CAS NO : 1937-35-5;   MF : C32H22N6Na2O7S2

    C.I. 22155;C.I. Direct Red 13;C.I. Direct Red 13 (7CI);C.I. Direct Red 13, disodium salt (8CI)disodium 4-amino-3-[(E)-(4'-{2-[(2E)-2-imino-8-oxo-6-sulfonato-2,8-dihydronaphthalen-... >>>

  • 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 Red 75
    CAS NO : 2829-43-8;   MF : C33H26N8O15S4

    C.I. 25380;C.I. Direct Red 75 (VAN);C.I. Direct Red 75, tetrasodium salt (8CI);Direct Red 75;(6E)-6-imino-5-[2-(4-{[(4-{2-[(2E)-2-imino-8-oxo-6-sulfo-2,8-dihydronaphthalen-1-yl]hy... >>>

  • inquireDirect Red 80
    CAS NO : 2610-10-8;   MF : C45H26N10Na6O21S6

    ;C.I. Direct Red 80, hexasodium salt;C.I. direct red 80;DirectRed;hexasodium 4-hydroxy-7-[({5-hydroxy-7-sulfonato-6-[(E)-{2-sulfonato-4-[(E)-(4-sulfonatophenyl)diazenyl]phenyl}dia... >>>

  • inquireDirect Red 81
    CAS NO : 2610-11-9;   MF : C29H19N5Na2O8S2

    C.I. 28160;C.I. Direct Red 81 (VAN);C.I. Direct Red 81 disodium salt;C.I. Direct Red 81 (7CI);C.I. Direct Red 81, disodium salt;Solaminrot 4B;Direct Red 81;Chloroantine fast red ... >>>

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