Ammonia as N Back Catalog number: 54213 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1242.8-K-ME n-Octane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 111-65-9 Price on request 95414 PAH Standard Price on request 11341.15-100-AN Metazachlor methylsulfoxide,100 µg/mL,acetonitrile,1mL, Price on request