Metals Mix Back Catalog number: 50310 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681702 Cefoxitin sodium salt, 250mg Price on request 98309 Denatured Fuel Ethanol Calibration Level 2 Price on request 3195.25-K-IO Ethyl tricosanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 18281-07-7 Price on request