2,2',3,4,5,5'-Hexachloro[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane

GC-IRMS Standards (C15 (?13C: -30.22); C20 (?13C: -33.06); C25 (?13C: -28.21)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.

Butyric-d7 acid, 100mg

Imidacloprid-d4 (imidazolidine-4,4,5,5-d4),100 µg/mL,acetonitrile,1mL,