Tungsten (W) Back Catalog number: 57174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2026.6-100-DC gamma-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1ml, # of units-1, Cas.no. 58-89-9 Price on request 63034 2’,3,5-Trichlorobiphenyl Price on request 3316.10-K-ME Bentazone,1000 µg/mL,MeOH,1mL Price on request