SPL Set ID: 33050ee2-519b-1f0b-d4df-9e14dd329c57

Treprostinil Injection is a sterile solution of treprostinil formulated for subcutaneous or intravenous administration. Treprostinil injection is supplied in 20 mL multidose vials in four strengths, containing 20 mg, 50 mg, 100 mg, or 200 mg (1 mg/mL, 2.5 mg/mL, 5 mg/mL or 10 mg/mL) of treprostinil. Each mL also contains 5.3 mg sodium chloride (except for the 10 mg/mL strength which contains 4.0 mg sodium chloride), 3 mg metacresol, 6.3 mg sodium citrate dihydrate, and water for injection. Sodium hydroxide and hydrochloric acid may be added to adjust pH between 6.0 and 7.2. Treprostinil is chemically stable at room temperature and neutral pH. Treprostinil is (1 R ,2 R ,3a S ,9a S )-[[2,3,3a,4,9,9a-hexahydro-2-hydroxy-1-[(3 S )-3-hydroxyoctyl]-1 H -benz[ f ]inden-5-yl]oxy]acetic acid monohydrate. Treprostinil has a molecular weight of 408.53 and a molecular formula of C 23 H 34 O 5 .H 2 O. The structural formula of treprostinil is: Sterile Diluent for Tresprostinil Injection is a high-pH (pH-10.4) glycine diluent supplied in a 50 mL vial containing 50 mL of Sterile Diluent for Tresprostinil Injection. Each vial contains 94 mg glycine, 73.3 mg sodium chloride, sodium hydroxide ( to adjust pH), and water for injection. Chemical Structure