Useful external links
The following external links are recommended for daily use and training.
From molecular mass to molecular formula
Just enter the accurate mass of your ion and get a ranked list of possible molecular formulae !
NMR prediction
Just paste a mol file of your structural proposal (generated by ChemDraw by selecting file type MDL Molfile) and get a decent 13C NMR prediction including assignments !
Organic Chemistry Portal
Name reactions, organic synthesis search, protecting groups, total syntheses, organic chemistry highlights
Chemistry By Design
This is a very nice total synthesis game for improving your synthetic skills.
