Vilanterol Impurity 25

Uses

(S)-5-(2,2-Dimethyl-4H-benzo[d][1,3]dioxin-5-yl-2-one is an enantiomer of (R)-5-(2,2-Dimethyl-4H-benzo[d][1,3]dioxin-5-yl-2-one (CAS : 1027529-99-2). It is a vilanterol impurity and a potential research reagent.