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 72866 2-Aminonaphthalene-d7 Price on request 66157 2,3,3’,4,4’,5’-Hexachlorobiphenyl (157) Price on request 3463.12-100 Nitrofen, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1836-75-5 Price on request