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 1647.7-25ML Pentafluorobenzoyl chloride, neat, Solvent-neat, Unit 25mL, # of units-1, Cas.no. 2251-50-5 Price on request 1140.20-K-IO n-Eicosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 112-95-8 Price on request 1986.12-K-MEX5 Diphenyltin dichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 1135-99-5 Price on request