1,2,3,4,6,7-Hexachloronaphthalene, 50µg/ml in nonane, 1,2ml Back Catalog number: PN-66S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 70990 2,4-Dichlorophenylacetic acid Price on request 0485.16-200-T Benzo[b]naphtho[2,1-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 239-35-0 Price on request 1086.12-K-T Biphenyl-d10, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1486-01-7 Price on request