PTMIO, free radical Free radical similar to 4-Amino-TEMPO (Prod. No. ALX-400-019) and 3-Carboxy-2,2,5,5-tetramethyl-1-pyrrolidine-1-oxyl (Prod. No. ALX-400-018), but more lipophilic than the former compounds. May be useful for membrane dynamic studies. Product Specification Alternative Name: 4-Phenyl-2,2,5,5-tetramethyl-3-imidazoline-1-oxyl nitroxide Formula: C13H17N2O MW: 217.3 CAS: 39753-69-0 Purity: ≥99% (1H-NMR, 13C-NMR, EPR) Purity Detail: No paramagnectic impurities detected by EPR. Appearance: Orange solid. Solubility: Soluble in 100% ethanol, DMSO, acetone, chloroform or hexane. Insoluble in water. Long Term Storage: -20°C |