1,2,3,4-Tetramethylbenzene Back Catalog number: 32901 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0977.27-25MG d2 C27 ??? (20R)-Cholestane,neat,neat,25mg Price on request 2886.30-5UG 17 alpha(H)-30-Diahopane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request 51124 Internal Standard ASTM D-5307 Price on request