1,2,3,4-Tetramethylbenzene Back Catalog number: 70491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92796 EPA Method 617/8080/8250/8270 - Analytes Price on request 15900-5410-100AN1 Butachlor-ESA sodium salt, 100µg/ml in Acetonitrile, 1ml Price on request EO-5278 Method 1614 Native PAR Stock Solution, in Nonane, 1,2ml Price on request