Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFBA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended XA15890000AL Parathion-methyl, 100µg/mL in Acetonitrile, 1ml Price on request 61248 Aroclor 1248 in Transformer Oil Price on request 682310 1,1,2,2-Tetrachloroethane, 1000mg Price on request