Pentaammineosmium(III) trifluoromethanesulfonate CMI Part 4009 Pentaammineosmium(III) trifluoromethanesulfonate CAS Number83781-30-0 Molecular Weight722.56 Molecular Formula[CF3SO3Os(NH3)5](OSO2CF3)2 Download Specifications PDF Download Specifications PDF Request A Quote For all quote requests, please email Sales@colonialmetals.com or call 410.398.7200