1,2,7,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-1278-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 10052.23-50-AN JWH-073 COOH-d4, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 50705 Carbon Mix 2 (C) Price on request 25002 EPA Method 8260 - Surrogate Standard Price on request