Cropropamide, is the main component of the drug Prethcamide, which is a respiratory stimulant.Synonyms:N-[1-[(Dimethylamino)carbonyl]propyl]-N-propyl-2-butenamide; N-[1-(dimethylcarbamoyl)propyl]-N-propylcrotonamide; PropylbutamideCAS Number:633-47-6Molecular Formula:C₁₃H₂₄N₂O₂Molecular Weight:240.34Appearance:Supplied as a clear, yellow oil.Purity:≥95%Solubility:Chloroform (Slightly), DMSO (Slightly)Method for Determining Identity:Proton NMR (CDCl3) Spectroscopic and Mass Spectrometric AnalysisTLC Conditions:SiO2; Dichloromethane: Acetone=8:2; Visualized with UV and KMnO4; Rf =0.50.Storage and Stability:May be stored at RT for short-term only. Long-term storage is recommended at 4°C. Light sensitive. Store in amber vial. Stable for 6 months after receipt.Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.