1,2,3,5,7-Pentachloronaphthalene, 1.2ml x 50ug/ml, nonane Back Catalog number: PN-52S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended PN-75S Octachloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request 1706.9-K-AN DL-N-Nitrosonornicotine-d4, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 66148-19-4 Price on request 3173.25-K-IO Methyl tetracosanoate (Methyl lignocerate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2442-49-1 Price on request