Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL, Back Catalog number: 1088.20-400-CY Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 2037.8-50-ME Perfluorooctane sulfonic acid , 50ug/ml, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1763-23-1 Price on request 11620.12-10MG Leflunomide,neat,neat,10mg, Price on request 9173.23-K-DMF Morphine-3-glucuronide, 1000µg base/mL, Solvent-DMF, Unit 1mL, # of units-1, Cas.no. 20290-09-9 Price on request