4-Methoxy-2',3',4',5'-tetrachlorobiphenyl, 100µg/ml in IO, 1ml Back Catalog number: MOPCB-4007S Availability: In the manufacturer's stock Price on request - + Recommended 677964 Heptenophos, 100 µg/ml, Toluene, 1ml Price on request 8803.20-K-IO 9-cis-Eicosenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 1702.9-K-AN N-Nitrosonornicotine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 808508-23-2 Price on request