Ammonium as N Back Catalog number: 50792 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2986.8-K-ME 2,2-Dimethylhexane, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 590-73-8 Price on request 677572 Hexabromobenzene, 250mg Price on request 9494.18-100-IO Triphenylphosphate-d15, 100µg/ml in IO, 1ml Price on request