Captagon - Fenethylline Strength: 50 mg Fenthylline  Chemical Names: Fenethylline Molecular Formula: C18H23N5O2 Molecular Weight: 341.408 g/mol IUPAC Name: (RS)-1,3-dimethyl- 7-[2-(1-phenylpropan-2-ylamino)ethyl]purine- 2,6-dione In Stock