1,2,4,5,7,8-Hexachloronaphthalene, 1.2ml x 50ug/ml, nonane Back Catalog number: PN-72S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 72345 1-(3,5-Dichlorophenyl)urea Price on request 0225.26-200-T Naphtho[1,2,3,4-ghi]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 190-84-1 Price on request S-4340-3.0 Total Acid Number Standard 3.0 Price on request