EXHIBIT 8.1 SUBSIDIARIES OF SCHERING AG - ---------------------------------------------------------------------------------------- Jurisdiction of --------------- Company Organization - ------- ------------ - ---------------------------------------------------------------------------------------- Asche AG....................................................... Germany - ----------------------------------------------------------------------------------------- Schering Deutschland Holding AG................................ " - ----------------------------------------------------------------------------------------- Bergazyme GmbH................................................. " - ----------------------------------------------------------------------------------------- Berlichem Verwaltungsgesellschaft fuer Chemie mbH.............. " - ----------------------------------------------------------------------------------------- Berlimed Verwaltungsgesellschaft mbH........................... " - ----------------------------------------------------------------------------------------- CIS Diagnostik GmbH............................................ " - ----------------------------------------------------------------------------------------- Menadier Heilmittel GmbH....................................... " - ----------------------------------------------------------------------------------------- Berlax 98 GmbH................................................. " - ----------------------------------------------------------------------------------------- Berlitech Verwaltungsgesellschaft mbH.......................... " - ----------------------------------------------------------------------------------------- Borsig-Kokswerke GmbH.......................................... " - ----------------------------------------------------------------------------------------- HTV Gesellschaft fur Hochtemperaturverbrennung mbH " - ----------------------------------------------------------------------------------------- Berlax 99 GmbH................................................. " - ----------------------------------------------------------------------------------------- Institut fur Diagnostikforschung GmbH.......................... " - ----------------------------------------------------------------------------------------- IHF Institut fur Hormon-und Fortpflanzungsforschung GmbH....... " - ----------------------------------------------------------------------------------------- Jenapharm GmbH & Co. KG........................................ " - ----------------------------------------------------------------------------------------- Schering GmbH und Co. Produktions KG........................... " - ----------------------------------------------------------------------------------------- EnTec Gesellschaft fur endokrinologische Technologie mbH....... " - ----------------------------------------------------------------------------------------- Schering Verwaltungs GmbH...................................... " - ----------------------------------------------------------------------------------------- Kokswerke und Chemische Fabriken GmbH.......................... " - ----------------------------------------------------------------------------------------- Medrad Medizinische Systeme GmbH............................... " - ----------------------------------------------------------------------------------------- MetaGen Gesellschaft fur Genomforschung mbH.................... " - ----------------------------------------------------------------------------------------- Pharma Verlagsbuchhandlung GmbH................................ " - ----------------------------------------------------------------------------------------- ALK-Scherax Arzneimittel GmbH.................................. " - ----------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------- Jurisdiction of --------------- Company Organization - ------- ------------ - ---------------------------------------------------------------------------------------- Schering Africa GmbH........................................... " - ----------------------------------------------------------------------------------------- Schering Asia GmbH............................................. " - ----------------------------------------------------------------------------------------- Schering Deutschland GmbH...................................... " - ----------------------------------------------------------------------------------------- Schering-Forschungsgesellschaft mbH............................ " - ----------------------------------------------------------------------------------------- Schering-Kahlbaum GmbH......................................... " - ----------------------------------------------------------------------------------------- Schering Versicherungs-Vermittlung GmbH........................ " - ----------------------------------------------------------------------------------------- Schering (Pty.) Ltd............................................ South Africa - ----------------------------------------------------------------------------------------- Schering Pharmaceutical Ltd.................................... China - ----------------------------------------------------------------------------------------- Schering Ltd................................................... China (Hong Kong) - ----------------------------------------------------------------------------------------- P.T. Schering Indonesia........................................ Indonesia - ----------------------------------------------------------------------------------------- Nihon Schering K.K............................................. Japan - ----------------------------------------------------------------------------------------- Nihon Medrad Kabushiki Kaisha.................................. " - ----------------------------------------------------------------------------------------- Mitsui Pharmaceuticals Inc..................................... " - ----------------------------------------------------------------------------------------- CIS Diagnostik K.K............................................. " - ----------------------------------------------------------------------------------------- Schering (Korea) Ltd........................................... Republic of Korea - ----------------------------------------------------------------------------------------- Schering Philippine Corp....................................... The Philippines - ----------------------------------------------------------------------------------------- Schering Taiwan Ltd............................................ Taiwan - ----------------------------------------------------------------------------------------- Schering (Bangkok) Ltd......................................... Thailand - ----------------------------------------------------------------------------------------- Schering Chemicals Ltd......................................... " - ----------------------------------------------------------------------------------------- Schering Pty. Ltd.............................................. Australia - ----------------------------------------------------------------------------------------- Schering (N.Z.) Ltd............................................ New Zealand - ----------------------------------------------------------------------------------------- N.V. Schering S.A.............................................. Belgium - ----------------------------------------------------------------------------------------- Berlipharm N.V................................................. " - ----------------------------------------------------------------------------------------- Schering A/S................................................... Denmark - ----------------------------------------------------------------------------------------- Mediwest Denmark A/S........................................... " - ----------------------------------------------------------------------------------------- Schering Oy.................................................... Finland - ----------------------------------------------------------------------------------------- Leiras Oy...................................................... " - ----------------------------------------------------------------------------------------- Schering S.A................................................... France - ----------------------------------------------------------------------------------------- Berlipharm S.A.R.L............................................. " - ----------------------------------------------------------------------------------------- Medrad France S.A.R.L.......................................... " - ----------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------- Jurisdiction of --------------- Company Organization - ------- ------------ - ---------------------------------------------------------------------------------------- Simebio S.A.................................................... " - ----------------------------------------------------------------------------------------- Cis Bio International S.A...................................... " - ----------------------------------------------------------------------------------------- Medisystem S.A................................................. " - ----------------------------------------------------------------------------------------- Oris Industrie S.A............................................. " - ----------------------------------------------------------------------------------------- Cis Diagnostiki S.A............................................ Greece - ----------------------------------------------------------------------------------------- Cis UK Ltd..................................................... Great Britain - ----------------------------------------------------------------------------------------- Schering Holdings Ltd.......................................... " - ----------------------------------------------------------------------------------------- Schering Industrial Products (Holdings) Ltd.................... Great Britain - ----------------------------------------------------------------------------------------- Schering Agrochemicals (Holdings) Ltd.......................... " - ----------------------------------------------------------------------------------------- Schering Health Care Ltd....................................... " - ----------------------------------------------------------------------------------------- Schering Industrial Products Ltd............................... " - ----------------------------------------------------------------------------------------- Schering Warehousing Ltd....................................... " - ----------------------------------------------------------------------------------------- Medrad UK Limited.............................................. " - ----------------------------------------------------------------------------------------- Schering S.P.A................................................. Italy - ----------------------------------------------------------------------------------------- Cis Diagnostici S.P.A.......................................... " - ----------------------------------------------------------------------------------------- Farmades S.P.A................................................. " - ----------------------------------------------------------------------------------------- Medrad Italia S.R.L............................................ " - ----------------------------------------------------------------------------------------- Theramex S.P.A................................................. " - ----------------------------------------------------------------------------------------- Schering Nederland B.V......................................... The Netherlands - ----------------------------------------------------------------------------------------- Medrad Europe B.V.............................................. " - ----------------------------------------------------------------------------------------- Brlipharm B.V.................................................. " - ----------------------------------------------------------------------------------------- Schering Norge A/S............................................. Norway - ----------------------------------------------------------------------------------------- Mediwest Norway AS............................................. " - ----------------------------------------------------------------------------------------- Schering Wien Ges. mbH......................................... Austria - ----------------------------------------------------------------------------------------- Berlipharm Pharmazeutische Produkte GmbH....................... " - ----------------------------------------------------------------------------------------- Biocis Ges. mbH................................................ " - ----------------------------------------------------------------------------------------- Lusal Producao Quimico-Farmaceutica Luso-Alema Lda............. Portugal - ----------------------------------------------------------------------------------------- Schering Lusitana Lda.......................................... " - ----------------------------------------------------------------------------------------- Berlifarma-Especialidades Farmaceuticas Lda.................... " - ----------------------------------------------------------------------------------------- AO Schering.................................................... Russia - ----------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------- Jurisdiction of --------------- Company Organization - ------- ------------ - ---------------------------------------------------------------------------------------- Schering Nordiska AB........................................... Sweden - ----------------------------------------------------------------------------------------- Mediwest Scandinavia AB........................................ " - ----------------------------------------------------------------------------------------- Schering (Schweiz) AG.......................................... Switzerland - ----------------------------------------------------------------------------------------- Leiras AG...................................................... " - ----------------------------------------------------------------------------------------- Cis Medipro AG................................................. " - ----------------------------------------------------------------------------------------- Schering Espana S.A............................................ Spain - ----------------------------------------------------------------------------------------- Cis Espana S.A................................................. " - ----------------------------------------------------------------------------------------- Berlimed S.A................................................... " - ----------------------------------------------------------------------------------------- Compania de Implantes Clinicos S.A............................. " - ----------------------------------------------------------------------------------------- Justesa Imagen S.A............................................. " - ----------------------------------------------------------------------------------------- Schering s.r.o................................................. Czech Republic - ----------------------------------------------------------------------------------------- Schering Alman Ilac ve Ecza Ticaret Ltd. Sirketi............... Turkey - ----------------------------------------------------------------------------------------- Schering KFT................................................... Hungary - ----------------------------------------------------------------------------------------- Schering Argentina S.A.I.C..................................... Argentina - ----------------------------------------------------------------------------------------- Justesa Imagen Argentina S.A................................... " - ----------------------------------------------------------------------------------------- Schering Boliviana Ltda........................................ Bolivia - ----------------------------------------------------------------------------------------- Schering do Brasil Quimica e Farmeceutica Ltda................. Brazil - ----------------------------------------------------------------------------------------- Justesa Imagen do Brasil....................................... " - ----------------------------------------------------------------------------------------- Medrad America Latina Ltda..................................... " - ----------------------------------------------------------------------------------------- Laboratorio Berlimed S.A....................................... Chile - ----------------------------------------------------------------------------------------- Schering de Chile S.A.......................................... " - ----------------------------------------------------------------------------------------- Schering Colombiana S.A........................................ Columbia - ----------------------------------------------------------------------------------------- Schering Dominicana S.A........................................ Dominican Republic - ----------------------------------------------------------------------------------------- Schering Ecuatoriana C.A....................................... Ecuador - ----------------------------------------------------------------------------------------- Schering Guatemalteca S.A...................................... Guatemala - ----------------------------------------------------------------------------------------- Productos Quimicos Naturales S.A. de C.V....................... Mexico - ----------------------------------------------------------------------------------------- Schering Mexicana S.A. de C.V.................................. " - ----------------------------------------------------------------------------------------- Medrad Mexicana S. de R.L. de C.V.............................. " - ----------------------------------------------------------------------------------------- Centro Estrategico Canada Latinoamerica S.A. de C.V............ " - ----------------------------------------------------------------------------------------- Justesa Imagen Mexicana S.A. de C.V............................ " - ----------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------- - ---------------------------------------------------------------------------------------- Jurisdiction of --------------- Company Organization - ------- ------------ - ---------------------------------------------------------------------------------------- Schering Las Americas S.A...................................... Panama - ----------------------------------------------------------------------------------------- Schering Peruana S.A........................................... Peru - ----------------------------------------------------------------------------------------- Schering Uruguaya S.A.......................................... Uruguay - ----------------------------------------------------------------------------------------- Compania Anonima Farmaceutica Industrial C.A.F.I............... Venezuela - ----------------------------------------------------------------------------------------- Schering de Venezuela S.A...................................... " - ----------------------------------------------------------------------------------------- Berlex Canada Inc.............................................. Canada - ----------------------------------------------------------------------------------------- Schering Berlin Inc............................................ United States of America - ----------------------------------------------------------------------------------------- Berlex Laboratories Inc........................................ " - ----------------------------------------------------------------------------------------- Berlex Land Co................................................. " - ----------------------------------------------------------------------------------------- Berlichem Inc.................................................. " - ----------------------------------------------------------------------------------------- Diatide Inc.................................................... " - ----------------------------------------------------------------------------------------- Medrad Inc..................................................... " - ----------------------------------------------------------------------------------------- Nor-Am Agro LLC................................................ " - ----------------------------------------------------------------------------------------- Berliscan Inc.................................................. " - ----------------------------------------------------------------------------------------- Island Chemical Company Inc.................................... " - ----------------------------------------------------------------------------------------- Cis US Inc..................................................... " - ----------------------------------------------------------------------------------------- SB Capital Corporation......................................... " - ----------------------------------------------------------------------------------------- Schering Berlin Venture Capital Corp........................... " - ----------------------------------------------------------------------------------------- Myotech Inc.................................................... " - ----------------------------------------------------------------------------------------- Leiras Pharmaceuticals Inc..................................... " - -----------------------------------------------------------------------------------------