(-)-Norgestrel, 100mg Back Catalog number: 676652 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 79037 Phenanthrene Price on request 8216.12-K-AN Pivaldehyde-PFOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 2190.3-50-ME Perfluoropropionic acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 378-77-8 Price on request