1,2,3,4,6-Pentachloronaphthalene, 1.2ml x 50ug/ml, nonane Back Catalog number: PN-50S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 3153.6-K-IO Methyl pentanoate (Methyl valerate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 624-24-8 Price on request 1278.16-2MG 2-Nitrofluoranthene, neat, Solvent-neat, Unit 2mg, # of units-1, Cas.no. 13177-29-2 Price on request 57174 Tungsten (W) Price on request