Sulfamethazine, 100 µg/ml, Methanol, 1ml Back Catalog number: 679814 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9360.19-100-IO iso-Butyl benzyl phthalate (2-Methylpropyl benzyl phthalate), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 72170-45-7 Price on request 2542.14-K-ME 5-Chloro-2-(methylamino)benzophenone, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1022-13-5 Price on request C16240000 Piperonyl butoxide, certified, 0.1g Price on request