Chemspace offers a Fluorine Fragments Library of small molecules.
The major use of fluorinated compounds is 19F NMR-assisted screening in the Fragment-based drug developing projects. 

Fluorine Fragments library consists of compounds that
+ comply with Ro3
+ posses single-type fluorine group — enabled the usage of the “fragment cocktails” in the NMR studies
+ 17K in-stock compounds 
+ 62K make-on-demand compounds

For more details please contact us at info@chem-space.com.