Thorium (Th) Back Catalog number: 57190 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679075 Methoprene, 10 µg/ml, Acetonitrile, 10ml Price on request 2936.19-100-IO Diflufenican-d3 (3-trifluoromethylphenoxy-2,4,6-d3), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1185009-29-3 Price on request 1956.16-K-IO 2-Phenylnaphthalene, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 612-94-2 Price on request