Disialoganglioside GD1a (NH4+ salt) GD1a C84H148N4O40 CAS#: 12707-58-3 Source: natural, bovine Mol. Wt.: 1852 (stearoyl) Purity: 98+ by TLC Appearance: white solid Solubility: chloroform/methanol/water 2:1:0.1, forms micellar solution in water Storage: −20°C