GFAA Mix Back Catalog number: 59830 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57119 Potassium (K) Price on request 11365.6-10MG N-Nitroso-4-(2-hydroxyethyl)-piperazin-2-one,neat,neat,10mg, Price on request 1325.18-10UG Chrysene-trans-3,4-dihydrodiol, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 64920-32-7 Price on request