Product name Butylone Full chemical name 1-(1,3-benzodioxol-5-yl)-2-(methylamino)butan-1-one Formal Name bk-MBDB CAS num 802575-11-7 Molecular Formula C12H15NO3 Average mass 221.2524 g/mol Purity ≥99.6% Stability 2 years Storage -20°C Formulation A crystalline solid λmax 221, 315 nm