Sulfamethazine, 100 µg/ml, Methanol, 1ml Back Catalog number: 679814 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 50769 EPA Method 200.8 Price on request CFN99272 Quercetin, >98%, 20mg Price on request 60034 CCME PAH Calibration Standard Price on request