Caffeine is a methylxanthine alkaloid naturally found in various plant parts that acts as an antagonist at central adenosine receptors at relevant physiological concentrations (IC50 = ~30 µM). It alters fatigue, mood, alertness, motor reaction time, vascular hemodynamics, and pain sensation. Caffeine has also been...

Caffeine (Cay-22975) is an analytical reference material categorized as a stimulant. It is found in kratom extract that has been used to overcome opioid withdrawl. This product is intended for analytical forensic applications. This product is also available as a general research tool (Cay-14118).Formal Name:...

Caffeine is a naturally occurring chemical that is present in tea, cola nuts, guarana and coffee. It is able to stimulate the central nervous system, cardiac muscle, stimulate the respiratory system, act as a diuretic and delay fatigue. The chemical structure for caffeine is 1,3,7-tri methylxanthine. As a modified...

Caffeine (CRM) (Cay-27970) is a certified reference material categorized as a stimulant. It is also used as a cutting agent for cocaine and heroin. This product is intended for analytical forensic applications. This product is also available as a general research tool (Cay-14118).Formal Name:...

Xanthine alkaloid found in coffee, tea, and other plant sources, adenozine agonist, PDE inhibitor.