Cephalosporins Back Catalog number: 67041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71856 Tetranitromethane Price on request 71588 1-Ethyl-2-pyrrolidinone, 1000µg/ml in MeOH, 1ml Price on request 1744.13-200-T Benzo[h]quinoline, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 230-27-3 Price on request