Abacavir abacavir sulfate, a cyclically substituted nucleoside analog, presents a unique chemical profile. Its empirical ACRONINE 7008-42-6 formula is C14H18N6O4·H2SO4, resulting in a compound weight of 393.41 g/mol. The compound exists as a white to off-white powder and is practically insoluble in ethanol, slightly soluble in dimethyl sulfoxide,