Labeled Pipamperone.Atmosphere: Inert gasMelting Point:260 - 262°CSolubility:Methanol (sparingly)Method for Determining Identity: Proton NMR (D2O) and MSTLC Conditions: SiO2; Dichloromethane: Methanol: Ammonium Hydroxide (9 :1 : 0.2); Visualized with UV and KMnO4 (single spot; Rf= 0.6). Storage and Stability:Store under inert atmosphere at 4°C. Caution: Hygroscopic. For maximum recovery of product, centrifuge the original vial prior to removing the cap.