1-Nitropyrene-d9, 100µg/ml in Toluene, 1ml Back Catalog number: 2217.16-100-T Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 9267.22-25-AN U{13C22}-Roquefortine C, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request 70394 Benzonitrile Price on request 680986 Naproxen, 100 µg/ml, Methanol, 1ml Price on request