1,2,3,4-Tetrachlorobenzene Back Catalog number: 98496 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53043 Calibration Standard Mix 1 Price on request 0364.8-K-IO 3,4-Dimethylthieno[2,3-b]thiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17502-58-1 Price on request 55311 CWA Iron Price on request