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 C369766 4-Chloro-3-methylphenol-2,6-d2, 2,5mg Price on request 7-B-23-CDD 7-Bromo-2,3-dichlorodibenzo-p-dioxin (96%), 1.2ml x 48ug/ml, toluene Price on request 8779.14-K-IO Di-n-propyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 131-16-8 Price on request