o-Dianisidine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 679887 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 72508 2,3-Butanedione Price on request 3461.4-100 Naled, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 300-76-5 Price on request 59814 Nitrate (NO3-) as N Price on request