PCB No. 157, 10µg/ml in Isooctane, 10ml Back Catalog number: L20015700IO Availability: In the manufacturer's stock Price on request - + Recommended 678766 Imazethapyr, 100 µg/ml, Acetonitrile, 1ml Price on request 94730 3,3’-Dimethoxybenzidine Price on request 688359 Acid Mix, 100µg/ml in Water, 1ml Price on request