PCB No. 18, certified, 25mg Back Catalog number: C20001800 Availability: In the manufacturer's stock Price on request - + Recommended 8923.16-100MG Perfluorokerosene (bp. 70-200) for Mass spectrometry, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. Price on request 675254 1,3,5-Trinitrobenzene, 100 µg/ml, Acetonitrile, Price on request 70359 Dicyclohexyl phthalate Price on request