This course is useful for advanced undergraduates, graduate stunents, and practicing chemists. The goals of the course are: 1- Using Spectroscopic data in organic structure analysis. 2- Introduction to Nuclear Magnetic Resonance. 3- Interpretation and use of proton and carbon chemical shifts. 4- Interpretation and use of proton and carbon coupling constants. 5- Multiple-pulse and multidimenstional NMR Techniques. 6- Core techniques of mass spectroscopy: interpretation and use of data. 7- Additional techniques of mass spectroscopy.