Tungsten (W) Back Catalog number: 57074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8609.3-K-ME 1,3-Dichloro-2-propanediol, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 96-23-1 Price on request 71248 Dibenzyl phthalate Price on request 676258 2-Amino-1-naphthalenesulfonic acid, 250mg Price on request