<ARTICLE> 5 <LEGEND> This Schedule contains financial data extracted from Schering-Plough Corporation and subsidiaries consolidated financial statements for the six months ended June 30, 2000, and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1000000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-END> JUN-30-2000 <CASH> 2039 <SECURITIES> 0 <RECEIVABLES> 1416 <ALLOWANCES> 0 <INVENTORY> 951 <CURRENT-ASSETS> 5472 <PP&E> 4544 <DEPRECIATION> 1515 <TOTAL-ASSETS> 10123 <CURRENT-LIABILITIES> 3536 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 1015 <OTHER-SE> 4608 <TOTAL-LIABILITY-AND-EQUITY> 10123 <SALES> 5048 <TOTAL-REVENUES> 5048 <CGS> 946 <TOTAL-COSTS> 946 <OTHER-EXPENSES> 635 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 1660 <INCOME-TAX> 398 <INCOME-CONTINUING> 1262 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1262 <EPS-BASIC> .86 <EPS-DILUTED> .85