PCB No. 81, 10µg/ml in Isooctane, 10ml Back Catalog number: L20008100IO Availability: In the manufacturer's stock Price on request - + Recommended C16415100-5ML 1-Propanol, 5ml Price on request 675738 Benfluralin, 100 µg/ml, Ethyl acetate, 5ml Price on request 682399 Sulfaphenazole, 100 µg/ml, Methanol, 5ml Price on request