1,2,3,4-Tetramethylbenzene Back Catalog number: 32901 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71512 Catechol Price on request 30105 EPA Method 552,552.1,552.2 Internal Std Price on request 8508.17-K-IO 1,1,1,3,15,17,17,17-Octachloroheptadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request