Caffeine is known as an alkaloid mostly found in cocoa beans, kola nuts, tea leaves and coffee beans. It's molecular composition is C8H10N4O2. Caffeine is a crystalline solid that is odorless. Caffeine tastes bitter and it's melting point is 235 ºC although it has a generally high melting point it decomposes in higher temperatures. Chemical properties: Caffeine is a high stimulant in the nervous system. In fact it is so stimulant it is used in the drug world. Every day, millions consume caffeine for wakefulness, concentration, and focus. It's rapid increase in fast stimulants is the reason why many use it, it's effective and makes it quick and easy. More than ever in this time this molecule is used all over the world to get the energies for the early morning meetings or conferences.