Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFBA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 12146.9-100-ME Heptenofos,100 µg/mL,MeOH,1mL, Price on request 83542 2-Butanone (Methyl ethyl ketone)-DNPH Price on request 79142 Hexachlorocyclopentadiene Price on request