SPL Set ID: 6c0a1fef-c634-4ecf-9850-d188e6496b90

Hyoscyamine sulfate injection, USP is a sterile solution containing 0.5 mg hyoscyamine sulfate per mL in water for injection. Hyoscyamine sulfate Injection, USP 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 0 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: The 1 mL vials contain as inactive ingredients: water for injection, pH is adjusted with hydrochloric acid when necessary. Structure