Mass-Labelled PCB Solution, 1.2ml x 20ng/ml, nonane Back Catalog number: PCB-IS-A20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 3222.19-K-IO 7-cis-Nonadecenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 118020-79-4 Price on request 3286.21-K-IO Methyl 11-cis,14-cis,17-cis-eicosatrienoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 62472-96-2 Price on request EPA-1668CS1,2,4,5 Individual Calibration Solutions , 200ul, nonane Price on request