1,2,4,5-Tetramethylbenzene Back Catalog number: 71222 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678272 Chlorbenside, 100 µg/ml, Acetonitrile, 5ml Price on request 97297 Deuterated PAH Std., 2000µg/ml in MeChl, 1ml Price on request 674696 Napropamide, 10.0 µg/ml, Cyclohexane, 10ml Price on request