Sulfamethazine, 100 µg/ml, Methanol, 1ml Back Catalog number: 679814 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 682707 m-Phenylenediamine, 1000mg Price on request 682033 Tetradecanoic acid-methyl ester, 1ml Price on request 1890.10-1G 3-Phenylbutyric acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 4593-90-2 Price on request