Metals Mix Back Catalog number: 50156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9503.10-100MG Sulfamethoxazole, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 723-46-6 Price on request 31023 EPA Method 515.1 Internal Standard Price on request 678195 Bilanafos sodium salt, 100 µg/ml, Methanol, 1ml Price on request