Metals Mix #2 Back Catalog number: 50217 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9156 N-Nitrosopyrrolidine Price on request 2263.12-100-IO 2,2',5-Trichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 37680-65-2 Price on request 685232 1,4-Dimethylnaphthalene, 100 µg/ml, Cyclohexane, Price on request