8-Chlorotheophylline - PsychonautWiki


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Summary sheet: 8-Chlorotheophylline
Chemical Nomenclature
Common names 8-CTP
Substitutive name 1,3-dimethyl-8-chloroxanthine
Systematic name 8-chloro-1,3-dimethyl-7H-purine-2,6-dione
Class Membership
Psychoactive class Stimulant
Chemical class Xanthine
Routes of Administration

WARNING: Always start with lower doses due to differences between individual body weight, tolerance, metabolism, and personal sensitivity. See responsible use section.

DISCLAIMER: PW's dosage information is gathered from users and resources for educational purposes only. It is not a recommendation and should be verified with other sources for accuracy.


8-Chlorotheophylline (1,3-dimethyl-8-chloroxanthine or 8-CTP) is a stimulant drug of the xanthine class that is closely related to caffeine in both its chemical structure and effects. It is mainly used as a wakefulness-promoting agent found within dimenhydrinate, where it counteracts the drowsiness effects present with diphenhydramine. 8-Chlorotheophylline can cause heart problems in people who take large doses of dimenhydrinate as both of the active ingredients in the drug, Diphenhydramine, and 8-Chlorotheophylline together can cause severe tachycardia.

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