N-Nitroso-N-ethylurea Back Catalog number: 72443 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3234.20-K-IO 5-cis-Eicosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 7050-07-9 Price on request MOPCB-3004S 4-Methoxy-2,2',5'-trichlorobiphenyl, 100µg/ml in IO, 1ml Price on request 2661.12-100-IO Arochlor 1232, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11141-16-5 Price on request