2-Nitrobenzaldehyde semicarbazone, 25mg Back Catalog number: 679161 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3888.12-100-ME (+/-)-Geosmine, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-, Cas.no. 164-19-1 Price on request 0191.4-1ML 2-Butanethiol, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 513-53-1 Price on request PN-74S 1,2,3,4,5,6,8-Heptachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request