Monographs: Pharmaceutical substances: Levothyroxinum natricum - Levothyroxine sodium Molecular formula. C 15 H 10 I 4 NNaO 4 (anhydrous); C 15 H 10 I 4 NNaO 4,H 2 O (mono-hydrate). Relative molecular mass. 798.9 O O ...
Levothyroxinum natricum C15H10I4NNaO4,xH2O Mr 799 (anhydrous substance) [55-03-8] DEFINITION Levothyroxine sodium contains not less than 97.0 per cent and not more than the equivalent of 102.0 per cent of sodium (2S ...