O,O-Diethylthiophosphate-13C2, sodium salt

Fensulfothion-sulfone, 100 µg/ml, Toluene, 1ml

4-Methyl-1-pentene

GC-IRMS Standards (C11(?13C: -26.11); C15 (?13C: -30.22); C20 (?13C: -33.06)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.