Metals Mix Back Catalog number: 50162 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681811 Pyriofenone, 100 µg/ml, Acetonitrile, 1ml Price on request 679159 Mepanipyrim-2-hydroxypropyl, 10.0 µg/ml, Acetonit Price on request N390007 D-Neopterin-13C5, 1mg Price on request