SPL Set ID: f42c6e00-e693-48f3-8e84-c3f139e1adf5

Sumatriptan injection, USP contains sumatriptan succinate, a selective 5-HT 1B/1D receptor agonist. Sumatriptan succinate is chemically designated as 3-[2-(dimethylamino)ethyl]-N-methyl-indole-5-methanesulfonamide succinate (1:1), and it has the following structure: The empirical formula is C 14 H 21 N 3 O 2 S∙C 4 H 6 O 4 , representing a molecular weight of 413.5. Sumatriptan succinate is a white to off-white powder that is readily soluble in water and in saline. Sumatriptan injection, USP is a clear, colorless to pale yellow, sterile, nonpyrogenic solution for subcutaneous injection. Each 0.5 mL of Sumatriptan injection USP, 12 mg/mL solution contains 8.4 mg of sumatriptan succinate equivalent to 6 mg of sumatriptan and 3.5 mg of sodium chloride, USP in water for injection, USP. The pH range of the solution is approximately 4.2 to 5.3. The osmolality of the injection is 291 mOsmol. Chemical Structure