ARSENAZO III

PubChem Notes:

Arsenazo III Metallochrome indicator that changes color when complexed to the calcium ion under physiological conditions. It is used to measure local calcium ion concentrations in vivo.

Molecular Formula: C22H18As2N4O14S2


InChI: InChI=1/C22H18As2N4O14S2/c29-21-18-11(9-16(43(37,38)39)19(21)27-25-14-7-3-1-5-12(14)23(31,32)33)10-17(44(40,41)42)20(22(18)30)28-26-15-8-4-2-6-13(15)24(34,35)36/h1-10,25-26H,(H2,31,32,33)(H2,34,35,36)(H,37,38,39)(H,40,41,42)/b27-19+,28-20+/f/h31-32,34-35,37,40H

InChIKey: InChIKey=TVMZRHVOFZTNET-PNKVTTJZDW
SMILES: C1=CC=C(C(=C1)NN=C2C(=CC3=C(C2=O)C(=O)C(=NNC4=CC=CC=C4[As](=O)(O)O)C(=C3)S(=O)(=O)O)S(=O)(=O)O)[As](=O)(O)O

Names:
    AI3-52542
    ARSENAZO III
    EINECS 216-788-6
    NSC 91528
    (3E,6E)-3,6-bis[(2-arsonophenyl)hydrazinylidene]-4,5-dioxo-naphthalene-2,7-disulfonic acid
    1668-00-4
    2,7-Naphthalenedisulfonic acid, 3,6-bis((2-arsonophenyl)azo)-4,5-dihydroxy-
    2,7-(Bis(2-arsonophenylazo))-1,8-dihydroxynaphthalene-3,6-disulphonic acid

Registries:
    PubChem CID 5702671
    PubChem ID 158784