PCB No. 18, certified, 25mg Back Catalog number: C20001800 Availability: In the manufacturer's stock Price on request - + Recommended 3157.10-K-IO Methyl nonanoate (Methyl pelargonate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1731-84-6 Price on request DF-IS-H40 Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request ACQ-AQ15-015 Ethanol standard in water,1.5g/L,water, 1.5mL Price on request