Isodrin, 100 µg/ml in Isooctane, 1ml Back Catalog number: XA14410000IO Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-A200 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane Price on request 0220.20-K-T Perylene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 198-55-0 Price on request XA14960000AL Methabenzthiazuron, 100μg/mL in Acetonitrile, 1ml Price on request