Sulfapyridine, 100 µg/ml, Methanol, 1ml Back Catalog number: 679819 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0690.29-100-IO 28-Norlupane (17ß(H)/17 alpha(H)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 134501-93-2 / 134623-57-7 Price on request L20920000AL Phenanthrene, 10µg/ml in Acetonitrile, 10ml Price on request 681258 Creatinine, 1000mg Price on request