3-Fluorophenylacetone , with CAS number of 1737-19-5, can be called 1-(3-Fluorophenyl)acetone ; 2-propanone, 1-(3-fluorophenyl)- ; 3-Fluorophenyl-2-propanone ; 3-Fluorophenylacetone 97% . It is a clear yellow-green liquid.