BTEX (50 µg/mL) Back Catalog number: 98691 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11805.12-50-NN 2,8-Dichlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 681181 Pyrimidifen, 100 µg/ml, Acetonitrile, 1ml Price on request X9004 Acetophenone Price on request