1,4-Dimethylnaphthalene Back Catalog number: 71944 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684902 Valeramide, 250mg Price on request 82535 EPA Method 8250 - Acid Matrix Spiking Solution Price on request 8509.18-K-IO 1,1,1,3,16,18,18,18-Octachlorooctadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request