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 U-PST-1525M100C15 Methiocarb, 100µg/ml in MeOH, 1,5ml Price on request 10520.10-K-AN (±)-Nicotine-2,4,5,6-d4 (pyridine-d4),1000 µg/mL,acetonitrile,1mL, Price on request 95090 ASTM Benzene Amp#3 Price on request