COD Calibration Standard Back Catalog number: 50241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9020 Benzo(a)pyrene Price on request 2525.13-K-ME Ibuprofen, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 15687-27-1 Price on request 9419.19-K-ME Warfarin, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81-81-2 Price on request