Methylxanthines are chemical compounds which are derivatives of

xanthine Xanthine ( or , from Ancient Greek for its yellowish-white appearance; archaically xanthic acid; systematic name 3,7-dihydropurine-2,6-dione) is a purine base found in most human body tissues and fluids, as well as in other organisms. Several ...

with one or more methyl groups, including: One methyl group: * 1-Methylxanthine * 3-Methylxanthine * 7-Methylxanthine Two methyl groups: * Theophylline (1,3-dimethylxanthine) * Paraxanthine (1,7-dimethylxanthine) * Theobromine (3,7-dimethylxanthine) Three methyl groups: *

Caffeine Caffeine is a central nervous system (CNS) stimulant of the methylxanthine chemical classification, class and is the most commonly consumed Psychoactive drug, psychoactive substance globally. It is mainly used for its eugeroic (wakefulness pr ...

(1,3,7-trimethylxanthine)

General references

* {{chemistry index