13C6-Sulfadimethoxine, 10mg

EPA Method 8260 - Purgeable Internal Standard

Pregnenolone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 145-13-1

2,3,6-Trichlorophenol, 10 µg/ml, Methanol, 10ml