<ARTICLE> 5 <LEGEND> This schedule contains financial data extracted from Schering-Plough Corporation and Subsidiaries consolidated financial statements for the three months ended March 31, 2000, and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1,000,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-END> MAR-31-2000 <CASH> 1772 <SECURITIES> 0 <RECEIVABLES> 1178 <ALLOWANCES> 0 <INVENTORY> 972 <CURRENT-ASSETS> 4937 <PP&E> 4444 <DEPRECIATION> 1480 <TOTAL-ASSETS> 9490 <CURRENT-LIABILITIES> 3220 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1015 <OTHER-SE> 4228 <TOTAL-LIABILITY-AND-EQUITY> 9490 <SALES> 2406 <TOTAL-REVENUES> 2406 <CGS> 457 <TOTAL-COSTS> 457 <OTHER-EXPENSES> 290 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 826 <INCOME-TAX> 198 <INCOME-CONTINUING> 628 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 628 <EPS-BASIC> .43 <EPS-DILUTED> .42