3734276 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3734276 > 2 > ChemIDplus > 014639884 > 14639-88-4 Opal (SiO2.xH2O) > 14639-88-4 > 014639884 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=014639884 $$$$