Methoprotryne, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 680012 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8864.8-K-IO Quinoxaline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 8904.6-K-W Nicotinic acid, 1000µg/mL, Solvent-water, Unit 1mL, # of units-1, Cas.no. 59-67-6 Price on request 79121 Metribuzin Price on request