2,3,5,6-Tetrachloroterephthalic acid Back Catalog number: 83583 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95450 PCB Congeners & Hexachlorobenzene Mix #1 Price on request S-4055-KIT Sulfur Calibr. Mix. Dibenzothiophene in Isooctane. Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO Price on request 3964.6-1ML 1,2,4-Tribromobenzene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 615-54-3 Price on request