1,2,3,4-Tetramethylbenzene Back Catalog number: 70491 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 19214 EPA Method 8020 Analytes Price on request C175844 Carbamazepine-d8(Major), 1mg Price on request 82459 Method 8085 Surrogates Price on request