Endosulfan sulphate

n-Tricosane-d48, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 203784-75-2

2,5-Dichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Methyltridecanoate C13:0, 10mg/ml in Hexane, 1ml