Ammonia as N Back Catalog number: 50152 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2660.12-100-IO 3-Fluoro-2,2',5,5'-tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 876009-96-0 Price on request 72005 Isoeugenol Price on request 1278.16-100-T 2-Nitrofluoranthene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 13177-29-2 Price on request