13C6-Sulfaquinoxaline, 10mg Back Catalog number: 679524 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9290.16-100-MEX5 Tramadol-d6 hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. Price on request L18000128AL Pesticide-Mix 128, 20µg/mL in Acetonitrile, 10ml Price on request 8234.13-K-AN Benzaldehyde 2,4-dinitrophenylhydrazone, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request