Metronidazole, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 680984 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1525.20-100-TX10 Benzo[e]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 205440-82-0 Price on request 682526 4-Hydroxybenzoic acid, 1000mg Price on request 71621 1-Heptene Price on request