4-Fluoromethylphenidate (commonly known as 4F-MPH) is a novel synthetic stimulant of the substituted phenethylamine and piperidine classes that produces long-lasting euphoriant, and stimulating effects when administered. It is a closely related structural analog of the commonly prescribed ADHD drug methylphenidate (known by the brand-names Ritalin and Concerta).

Synonyms4-Fluoromethylphenidate, 4-FMPH
Formal NameMethyl 2-(4-fluorophenyl)-2-(piperidin-2-yl)acetate
CAS NO1354631-33-6
Chemical FormulaC14H18FNO2
Exact Mass251.3 g/mol
Molecular Weight251.3 g/mol


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  • Product Code: 4F-MPH
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Tags: 4F-MPH, powder, stimulant, stimulants, 4, F, FEA, FA, HCL