Spectinomycin sulfate hydrate, certified, 0.1g Back Catalog number: C16972720 Availability: In the manufacturer's stock Price on request - + Recommended 15900-0890-100AN5 Chlorpyriphos-ethyl, 100µg/ml in Acetonitrile, 5ml 51,40 € 675024 Ivermectin, 100 µg/ml, Acetonitrile, 5ml Price on request 30003 EPA Method 500 Series Internal Std #4 Price on request