WS Amp 2 Trace Elements Back Catalog number: 52128 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10071.1-K-ME N-Nitromethanamine, 1000µg/mL, Solvent-methanol, Unit 1.1mL, # of units-1, Cas.no. 598-57-2 Price on request 679458 2,4'-DDE, 100 µg/ml, Methanol, 1ml Price on request 8483.19-500MG Metoprolol tartrate, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 56392-17-7 Price on request