Tungsten (W) Back Catalog number: 58074 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0039.28-20-CB Dibenzo[2,3;10,11]peryleno[1,12-bcd]thiophene, 20µg/mL, Solvent-chlorobenzene, Unit 1mL, # of units-1, Cas.no. 196-23-6 Price on request 8401.7-1ML Perfluoroheptane, isomer mixture, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 335-57-9 Price on request C12253700 7,9-Di-tert-butyl-1-oxaspiro[4,5]deca-6,9-die ne-2,8-dione, 25mg Price on request