Tungsten (W) Back Catalog number: 57774 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11695.12-100-IO 2,3,4,4'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 70339 1-(o-Chlorophenyl)-2-thiourea Price on request 96542 Pentobarbital-D5 Price on request