7H-Perfluoroheptanoic acid, 50µg/ml in MeOH, 1ml Back Catalog number: 2835.7-50-ME Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 675455 Sulfabenzamide, 250mg Price on request 2782.10-100-AN Parathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 56-38-2 Price on request 79204 4,4’-Dichlorobenzophenone Price on request