EPA Method 633.1 Analytes Back Catalog number: 40049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M4PFHPA Perfluoro-n-[1,2,3,4-13C4]heptanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 11620.12-10MG Leflunomide,neat,neat,10mg, Price on request 8944.7-100-CY 2,6-Dichlorobenzonitrile Price on request