117 EXHIBIT 21 SUBSIDIARIES OF MARION MERRELL DOW INC. --------------------------------------- Percentage of Voting Securities Name and Jurisdiction of Incorporation Owned - -------------------------------------- ----------------- 1. Agri-Chem, Inc. (U.S.-Missouri) 100% 2. Blue Ridge Laboratories, Inc. (U.S.-Delaware) 100% 3. Marion & Company (U.S.-Delaware) 100% 4. Marion Merrell Dow Canada Health Management Inc. 71.4% (Canada) 5. Clinidata Inc. (Canada) 100% 6. Marion Merrell Dow Canada Inc. (Canada) 100% 7. Canada Pharmacal Limited (Canada) 100% 8. J.C.P. Laboratories Inc. (Canada) 100% 9. Marion Merrell Dow Internacional 50% Servicios de Gestao LDA (Portugal) 10. MMD International Finance Company (Ireland) 90% 11. Marion Merrell Dow Canada Research Inc. (Canada) 100% 12. MMD International Finance Company (Ireland) 10% 13. Marion Merrell Dow Canada Services Inc. (Canada) 100% 14. Marion Merrell Dow Intercontinental Ltd. 100% (U.S.-Delaware) 15. Marisub, Inc. (U.S.-Delaware) 100% 16. The Rugby Group, Inc. (U.S.-New York) 100% 17. Chelsea Laboratories, Inc. (U.S.-New York) 100% 18. Chelsea Laboratories Caribe, Inc. 100% (U.S.-Delaware) 19. M & R Advertising, Inc. (U.S.-Delaware) 100% 20. Modern Wholesale Drug Cleveland, Inc. 100% (U.S.-Ohio) 21. Modern Wholesale Drug Co. Inc. 100% (U.S.-New York) 22. Modern Wholesale Drug Company Atlanta 100% Incorporated (U.S.-Georgia) 118 23. Modern Wholesale Drug Company Midwest 100% Incorporated (U.S.-Illinois) 24. Modern Wholesale Drug Company Southern 100% Incorporated (U.S.-Florida) 25. Modern Wholesale Drug Company Texas, 100% Inc. (U.S.-Texas) 26. Modern Wholesale Drug Company Western, 100% Inc. (U.S.-California) 27. Rugby Laboratories, Inc. (U.S.-New York) 100% 28. Marisub V, Inc. (U.S.-Delaware) 82.6% 29. Carderm Capital L.P. (U.S.-Delaware) 84.4% 30. Carderm Investments Inc. (U.S.-Delaware) 100% 31. TWFC, Inc. (U.S.-Delaware) 100% 32. Marisub VII, Inc. (U.S.-Delaware) 100% 33. Merrell Dow Pharmaceuticals Inc. (U.S.-Delaware) 100% 34. Biochimica Del Salento S.p.A. (Italy) 100% 35. Marion Merrell Dow Internacional Servicios 50% de Gestao LDA (Portugal) 36. Gruppo Lepetit S.p.A. (Italy) 99.95% 37. Gruppo Lepetit Trading Srl (Italy) 100% 38. Hammer Pharma S.p.A. (Italy) 100% 39. Marion Merrell Dow Australia Pty. Limited 100% (Australia) 40. Marion Merrell Dow Canada Health Management 28.6% Inc. (Canada) 41. Clinidata Inc. (Canada) 100% 42. Marion Merrell Dow Canada Inc. (Canada) 100% 43. Canada Pharmacal Limited (Canada) 100% 44. J.C.P. Laboratories Inc. (Canada) 100% 45. Marion Merrell Dow Internacional 50% Servicios de Gestao LDA (Portugal) 46. MMD International Finance Company 90% (Ireland) 119 47. Marion Merrell Dow Canada Research Inc. 100% (Canada) 48. MMD International Finance Company 10% (Ireland) 49. Marion Merrell Dow Canada Services Inc. 100% (Canada) 50. Marion Merrell Dow Consumer Products Inc. 100% (U.S.-Delaware) 51. Marion Merrell Dow et Cie (SNC) (France) .05% 52. Marion Merrell Dow (Europe) A.G. (Switzerland) 100% 53. Carderm Capital L.P. (U.S.-Delaware) 1% 54. Carderm Investments Inc. 100% (U.S.-Delaware) 55. Marion Merrell Dow GmbH (Germany) 100% 56. Henning Berlin GmbH (Germany) 100% 57. Henning Berlin Anlagen GmbH (Germany) 100% 58. Dynopharm GmbH Pharmaceutica 100% (Germany) 59. Marion Merrell Dow K.K.(Japan) 98.92% 60. Kopharm, Inc. (U.S.-California) 100% 61. Marion Merrell Dow Limited (United Kingdom) 100% 62. Marion Merrell Dow N.V./S.A. (Belgium) 100% 63. Marion Merrell Dow (N.Z.) Limited 100% (New Zealand) 64. Marion Merrell Dow Puerto Rico, Inc. 100% (Puerto Rico) 65. Marion Merrell Dow S.A. (France) 99.85% 66. Marion Merrell Dow et Cie (SNC) (France) 99.95% 67. Marion Merrell Dow S.A. (Spain) 99.90% 68. Marion Merrell Dow Sociedade Quimica, S.A. 100% (Portugal) 69. Marisub FSC, Inc. (Barbados) 100% 70. Marisub V, Inc. (U.S.-Delaware) 17.4% 71. Carderm Capital L.P. (U.S.-Delaware) 84.4% 120 72. Carderm Investments Inc. 100% (U.S.-Delaware) 73. TWFC, Inc. (U.S.-Delaware) 100% 74. Selectide Corporation (U.S.-Delaware) 100%