3786474 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3786474 > 2 > ChemIDplus > 090989949 > 90989-94-9 Chert, calcined EINECS 292-753-9 > 90989-94-9 > 090989949 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=090989949 $$$$