1,3-Bis(4-nitrophenyl)urea, 50mg Back Catalog number: 680032 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3099.12-50-IO 2,4',5-Tribromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-36-3 Price on request MPFAS-3ES Mass-Labelled PFAS Extraction Standard, 2000ng/ml in MeOH, 1,2ml Price on request 70490 N-Nitroso-N-methylethylamine Price on request