Potassium (K) Back Catalog number: 59284 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70157 Dimethyl phthalate Price on request 0201.18-500-T Benz[a]anthracene, 500 µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 56-55-3 Price on request 676441 1-Naphthylacetamide, 500mg Price on request