763648 -OEChem-02060822472D 1 0 0 0 0 0 0 0 0999 V2000 2.5872 -1.9669 0.0000 Th 0 0 0 0 0 0 0 0 0 0 0 0 M ISO 1 1 238 M END > 0 > 0 > 763648 > 3 > ChemIDplus > 034293726 > 238Th 34293-72-6 Thorium, isotope of mass 238 Thorium-238 > 34293-72-6 > 034293726 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=034293726 > 186183 1 $$$$