Sulfamethazine, 100 µg/ml, Methanol, 1ml Back Catalog number: 679814 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 79053 4,4’-Methoxychlor Price on request DF-1238-S 1,2,3,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 43126 Decafluorotriphenylphosphine Price on request