754847 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 5.8924 -3.6037 0.0000 Cs 0 4 0 0 0 0 0 0 0 0 0 0 M RAD 1 1 2 M ISO 1 1 143 M END > 0 > 0 > 754847 > 3 > ChemIDplus > 015701049 > 143Cs 15701-04-9 Cesium, isotope of mass 143 Cesium-143 > 15701-04-9 > 015701049 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=015701049 > 6337580 1 $$$$