PCB No. 189, 10µg/ml in Isooctane, 10ml Back Catalog number: L20018900IO Availability: In the manufacturer's stock Price on request - + Recommended 0191.4-1ML 2-Butanethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 513-53-1 Price on request 675752 Difenacoum, 100 µg/ml, Acetonitrile, 1ml Price on request 58057 Lanthanum (La) Price on request