(-)-Cotinine, 25mg Back Catalog number: 676709 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 680635 Chlorthion, 25mg Price on request 2171.8-K-ME Ethylbenzene-d10, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 25837-05-2 Price on request 98948 Freon Gas Standard Price on request