Urban dust - Organic contaminants, 2g Back Catalog number: NIST-1649B Availability: In the manufacturer's stock Price on request - + Recommended 9927.18-K-AN N-Nitroso-N,N-di(3,5,5-trimethylhexyl)amine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1207995-62-7 Price on request 3587.13-K-IO 2-Chlorothioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 86-39-5 Price on request 675633 Metosulam, 10.0 µg/ml, Acetonitrile, 10ml Price on request