SPL Set ID: b1147beb-743e-4c62-8927-91192447f8b8

Vasopressin is a polypeptide hormone. Vasostrict ® is a sterile, aqueous solution of synthetic arginine vasopressin for intravenous administration. The 1 mL solution contains vasopressin 20 units/mL, 1.36 mg sodium acetate buffer and Water for Injection, USP. The 10 mL solution contains vasopressin 20 units/mL, 1.36 mg sodium acetate buffer, chlorobutanol, NF 0.5% as a preservative and Water for Injection, USP. Sodium hydroxide and hydrochloric acid are included to adjust to a pH of 3.8. The 50 mL solution contains vasopressin 1 unit/mL. Each mL of the 1 unit/mL strength also contains dextrose anhydrous, 0.0546 mg acetic acid, 0.012 mg sodium acetate and Water for Injection, USP. Sodium hydroxide and hydrochloric acid are included to adjust to a pH of 3.8. The 100 mL solution contains vasopressin 0.2 units/mL, 0.4 units/mL, or 0.6 units/mL. Each mL of the 0.2 unit/mL strength also contains dextrose anhydrous, 0.0546 mg acetic acid, 0.012 mg sodium acetate and Water for Injection, USP. Each mL of the 0.4 unit/mL strength also contains dextrose anhydrous, 0.0546 mg acetic acid, 0.012 mg sodium acetate and Water for Injection, USP. Each mL of the 0.6 unit/mL strength also contains dextrose anhydrous, 0.0546 mg acetic acid, 0.012 mg sodium acetate and Water for Injection, USP. Sodium hydroxide and hydrochloric acid are included to adjust to a pH of 3.8. Each vial of the Vasostrict ® premixed solutions contains 5% Dextrose in approximately 100 mL Water for Injection. The chemical name of vasopressin is Cyclo (1-6) L-Cysteinyl-L-Tyrosyl-L-Phenylalanyl-L-Glutaminyl-L-Asparaginyl-L-Cysteinyl-L-Prolyl-L-Arginyl-L-Glycinamide. It is a white to off-white amorphous powder, freely soluble in water. The structural formula is: Molecular Formula: C 46 H 65 N 15 O 12 S 2 Molecular Weight: 1084.23 One mg is equivalent to 530 units. Chemical Structure