2,4,4',5-Tetrachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane Back Catalog number: DPE-74 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1702.9-K-AN N-Nitrosonornicotine, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 808508-23-2 Price on request 674998 PSA-GCB-Mix 6 Price on request 8478.13-10MG 2-Phenylbenzthiazole, neat, Solvent-neat, Unit 10MG, # of units-24, Cas.no. 883-93-2 Price on request