Tungsten (W) Back Catalog number: 58074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0016.14-10MG 1,4-Anthraquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 635-12-1 Price on request 2874.11-50-ME Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2050-94-8 Price on request 676926 4,4'-Diaminodiphenylmethane, 250mg Price on request