EXHIBIT 21 SUBSIDIARIES OF REGISTRANT State or Other Jurisdiction Name of Incorporation/Organization ---- ----------------------------- Pharmaceutical Resources, Inc. - -------------------------------- Par Pharmaceutical, Inc. New Jersey PRX Distributors, Ltd. Delaware ParCare, Ltd. New York PRI-Research, Inc. Delaware Quad Pharmaceuticals, Inc. Indiana Par Pharma Group, Ltd. Delaware Par Pharmaceutical, Inc. - ------------------------ Nutriceutical Resources, Inc. New York 96