- MediChem International manufacture and supply chemical disinfectant products under ISO9002 and EN46002 (European Community Accreditation) quality standards. Products developed for the disinfection of instruments and medical devices (PeraScope, MedDis, MediGene, TriGene), all display the CE mark of conformity. MediChem products are sold in over 40 countries within Medical, Veterinary, Ministry of ...www.medichem.co.uk