Metals Mix Back Catalog number: 50156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1703.10-K-AN 4-(N-Methyl-N-nitrosamino)-1-(3-pyridyl)-1-butanone, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 64091-91-4 Price on request 2295.3-1G Malonic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 141-82-2 Price on request 57774 Tungsten (W) Price on request