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 9326.4-K-AN N-Nitrosomorpholine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 59-89-2 Price on request BDE-028S 2,4,4’-Tribromodiphenyl ether, 50µg/ml in IO, 1ml Price on request 9209.15-100-MEX5 O-Desmethyl tramadol hydrochloride , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. Price on request