Sulfamethazine, 250mg Back Catalog number: 672974 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 672914 Mefenpyr-diethyl, 100mg Price on request 54016 Sulfite (SO32-),1000µg/mL in Water, 3 x 20ml Price on request 53097 Alternate Metals 2 Price on request