5-FOA solubility

Scott Vande Pol sbv at pop.cwru.edu
Wed Jul 5 12:46:13 EST 1995

We are using FOA (5-floroorotic acid) for selection against URA-3 plasmids
in yeast.  FOA is expensive to buy and difficult to get into solution. 
Does anyone know of a non-toxic solvent (such as DMSO) in which a stable
100X FOA stock solution can be made?  

Scott Vande Pol
Case Western Reserve University
Department of Pathology
Cleveland Oh. 44106
sbv at pop.cwru.edu

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