COD Calibration Standard Back Catalog number: 50434 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2041.4-10MG Perfluorobutane sulfonic acid Price on request 682992 2-Ethyl-6-methyl-2-chloroacetanilide, 50mg Price on request F865002-1MG Furosemide-d5, 1mg Price on request