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 11482-100MG POE (n) Nonylphenol (Unspecified chain-length),neat,neat,100mg, Price on request 0434.14-K-IO 3,3'-Dimethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 612-75-9 Price on request 79413 n-Tetracontane Price on request