PAH-Mix 183, 10 ng/µl, 1ml Back Catalog number: LA20950183CY Availability: In the manufacturer's stock Price on request - + Recommended 676654 o-Toluidine, 1ml Price on request 8915.14 6-Methyl-2',3,4,6'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 89126-1G Cetirizin dihydrochloride, >98%, 1g Price on request