PCB No. 123, 10µg/ml in Isooctane, 10ml Back Catalog number: L20012300IO Availability: In the manufacturer's stock Price on request - + Recommended 10581.23-10MG (±)-Chlorophacinone-d4 (indanedione-4,5,6,7-d4) Price on request 0049.20-100-T 6-Nitrobenzo[a]pyrene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 63041-90-7 Price on request 673973 4-Nitrophenol, 10.0 µg/ml, Acetonitrile, 10ml Price on request