Metronidazole, certified, 0.25g Back Catalog number: C15201000 Availability: In the manufacturer's stock Price on request - + Recommended 1591.16-100-IO 5,6-Dihydro-4-hydroxy-11H-indolo[2,3-f]naphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 10688.12-100-IO 2,2',3,4,6'-Pentachlorobiphenyl Price on request 3208.17-K-IO 10-trans-Heptadecenoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 126761-43-1 Price on request