COD Calibration Standard Back Catalog number: 50451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPFBA Perfluoro-n-[1,2,3,4-13C4]butanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 94572 EPA Method 525.1 Standard Price on request MET-12279A-250MG Monodesmethyl Isoproturon, 250mg Price on request