Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFBA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 55198 Low Level Hexavalent Chromium Price on request 676634 Dodemorph, 100 µg/ml, Acetonitrile, 1ml Price on request 681236 3-Mercapto-1-hexanol, 100mg Price on request