Allethrin, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 682911 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4422-40-4.5PE ISO 9377-2 MOD Extraction Solvent Stock Solution II 40µg/mL of each Units: 1x100mL and 5x100mL extraction solvent stock solution n-Heptane 40mg n-Tetracontane 40mg Pentane Add to 1000mL Price on request 9138.7-1G Mesalazine, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 89-57-6 Price on request 675667 Sulprofos, 10.0 µg/ml, Ethyl acetate, 10ml Price on request