5-Hydroxythiabendazole, 100 µg/ml, Ethyl acetate,

Tetrachloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2539-17-5

EPA Method 1633 PFAS Mix, 10µg/mL in MeOH:Water, 1ml

2,4,6,8-Tetramethyl-2,4,6,8-tetraazabicyclo[3.3.0]-3,7-oxandione