Polymyxin B sulfate, 100mg Back Catalog number: 672969 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 682841 Putrescine dihydrochloride, 1000mg Price on request 52050 Interference Standard 3 Price on request 0441.13-500-IO 2,3,6-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 829-26-5 Price on request