Bayer AG (; German: [ˈbaɪɐ] is a German multinational pharmaceutical as well as life scientific researches company and one of the biggest pharmaceutical business in the world. Headquartered in Leverkusen, Bayer s areas of organization include human and also vet pharmaceuticals; consumer medical care items; agricultural chemicals, seeds as well as biotechnology items. The firm is a part of the Euro Stoxx 50 stock exchange index. Werner Baumann has been CEO because 2016. Established in Barmen in 1863 as a dyestuffs manufacturing facility, Bayer s very first and best-known item was pain killers. In 1898 Bayer trademarked the name heroin for the drug diacetylmorphine as well as marketed it as a coughing suppressant and non-addictive alternative to morphine until 1910. Bayer also introduced phenobarbital; prontosil, the initial commonly used antibiotic and also the topic of the 1939 Nobel Reward in Medication; the antibiotic Cipro (ciprofloxacin); as well as Yaz (drospirenone) birth control...