1,2,3,4-Tetramethylbenzene Back Catalog number: 32901 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10867.17-100-ME Zaleplon-?d5 (N-?ethyl-?d5),100 µg/mL,MeOH,1mL Price on request 79348 Chlorpyrifos methyl Price on request 79184 Diethyl phthalate Price on request