Tungsten (W) Back Catalog number: 58074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1371.4-1ML 2-Butanone, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 78-93-3 Price on request 15900-3350-100AN5 Metribuzin, 100µg/ml in Acetonitrile, 5ml Price on request 11188.26-5MG (±)-Ketoconazole-d4 (3,3,5,5-piperazine-d4) (cis-isomers),neat,neat,5mg Price on request