SPL Set ID: 1f4b1ed7-bbba-4b2c-8139-b35cb428587d

Hyoscyamine Sulfate Tablets, USP contain 0.125 mg hyoscyamine sulfate formulated for oral administration. Hyoscyamine sulfate is one of the principal anticholinergic/antispasmodic components of belladonna alkaloids. The empirical formula is (C 17 H 23 NO 3 ) 2 ∙H 2 SO 4 ∙2H 2 O and the molecular weight is 712.85. Chemically, it is benzeneacetic acid, α-(hydroxymethyl)-, 8-methyl-8-azabicyclo [3.2.1] oct-3-yl ester, [3(S)- endo ]-, sulfate (2:1), dihydrate with the following structure: Each tablet also contains as inactive ingredients: corn starch, lactose monohydrate, magnesium stearate, mannitol, stearic acid, and FD&C blue #1. Chemical Structure