Perthane, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 683840 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended Q694000 Quinine, 10g Price on request 52304 LFS Solution 2 Price on request 50830 Ammonium bicarbonate as (NH4+) Price on request