WS PAHs Back Catalog number: 38132 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91825 WS 038 Pesticide AMP 4 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 679471 Triamiphos, 100 µg/ml, Acetonitrile, 1ml Price on request