WS Trace Elements #1 Back Catalog number: 55012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8529.27-100-AN Verruculogen, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 12771-72-1 Price on request 9904.18-100-ME 17a-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 57-91-0 Price on request 673934 Fipronil, 10.0 µg/ml, Acetonitrile, 10ml Price on request