3735223 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3735223 > 2 > ChemIDplus > 019544673 > 19544-67-3 Calcium di(naphthalene-1-sulphonate) EINECS 243-144-1 > 19544-67-3 > 019544673 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=019544673 $$$$