1,2,4,5-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml Back Catalog number: 3656.6-K-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 53149 CLP Calibration Std. I Price on request 9055.6-K-IP 3,4,5-Trichlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 56961-20-7 Price on request 91933 Parathion methyl Price on request