SPL Set ID: 6f8c9fac-c995-4bf4-950d-ab89deb291b5

Clariscan (gadoterate meglumine) is a paramagnetic macrocyclic ionic contrast agent administered for magnetic resonance imaging. The chemical name for gadoterate meglumine is D-glucitol, 1-deoxy-1-(methylamino)-, [1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraaceto(4-)-.kappa.N1, .kappa.N4, .kappa.N7, .kappa.N10, .kappa.O1, .kappa.O4, .kappa.O7, .kappa.O10]gadolinate(1-)(1:1); it has a formula weight of 753.9 g/mol and empirical formula of C 23 H 42 O 13 N 5 Gd (anhydrous basis). The structural formula of gadoterate meglumine in solution is as follows: CAS Registry No. 92943-93-6 Clariscan Injection is a sterile, nonpyrogenic, clear, colorless to yellow, aqueous solution of 0.5 mmol/mL of gadoterate meglumine. Each vial and pre-filled syringe contains 2.5 mmol per 5 mL, 5 mmol per 10 mL, 7.5 mmol per 15 mL and 10 mmol per 20 mL. No preservative is added. Each mL of Clariscan contains 376.9 mg of gadoterate meglumine, 0.25 mg of DOTA and water for injection. Clariscan has a pH of 6.5 to 8.0. The main physiochemical properties of Clariscan are provided below: Table 4: Physicochemical Properties Parameter Value Density @ 20°C 1.1753 g/cm 3 Viscosity @ 20°C 3.4 mPa.s Viscosity @ 37°C 2.4 mPa.s Osmolality 1350 mOsm/kg water The thermodynamic stability constants for gadoterate (log K therm and log K cond at pH 7.4) are 25.6 and 19.3, respectively. Chemical Structure