4-Fluoro-MPH is a 4?-fluoro analogue of Methylphenidate, and so is also known as 4-Fluoromethylphenidate. 4F-MPH makes a good alternative for researchers who like to study Ethylphenidate. 4-Fluoro-MPH pellets contain 15mg 4F-MPH. Product Name: 15mg 4-Fluoro-MPH Pellets Cas No: 1354631-33-6 Formula: C14H18FNO2 IUPAC: Name: Methyl 2-(4-fluorophenyl)-2-(piperidin-2-yl)acetate Appearance: Purity: