682295 -OEChem-02060822462D 1 0 0 0 0 0 0 0 0999 V2000 1.2667 -2.9708 0.0000 Cf 1 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 252 M END > 0 > 0 > 682295 > 3 > ChemIDplus > 013981174 > 13981-17-4 252Cf Californium, isotope of mass 252 Californium-252 > 13981-17-4 > 013981174 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=013981174 > 104846 1 $$$$