1,2,4,5-Tetramethylbenzene Back Catalog number: 32891 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57014 Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Price on request B447292-1MG Bisphenol AF-13C12, 1mg Price on request 50650 200.8Low Intermediate Standard Price on request