Sulfamethazine, certified, 0.25g Back Catalog number: C16996500 Availability: In the manufacturer's stock Price on request - + Recommended 9250.23-100-DRIED Citreoviridin, 100µg/mL, Solvent-dried down, Unit 1mL, # of units-1, Cas.no. 25425-12-1 Price on request 81204 EPA Method 8121 Surrogate Standard Price on request 1605.12-50-IO 4-Fluorodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 330-84-7 Price on request