Ciclesonide(Alvesco) [ Synonyms ] (11, 16)-16, 17-[[(R)-cyclohexylmethylene]bis(oxy)]-11-hydroxy-21- (2-methyl-1-oxopropoxy)- pregna-1, 4-diene-3, 20-dione [ CAS NO. ] 126544-47-6 [ Molecular Formula ] C32H44O7 [ Molecular Weight ] 540.697 g/mol [ Appearance ] Almost white powder [ Density ] 1.23 g/cm3 [ Boiling Point ] 665 °C at 760 mmHg [ Flash Point ] 210 °C [ Melting point ] 207.5℃~208.5℃