Demeton-S-methyl-sulfoxide, certified, 25mg

Tolbutamide-d9 (butyl-d9),neat,neat,10mg,

2,4'-Difluorodiphenyl ether, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863315-03-1

Sodium p-n-octylbenzenesulfonate, 100µg/mL in MeOH, 1ml