D8-Paraquat dichloride, 100 µg/ml, Deuterium oxid

alpha alpha alpha (20R,24RS)-24-Ethylcholestane (82% in mixture with alpha alpha alpha (20S,24RS)-24-Ethylcholestane), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Hexachloro-1,3-butadiene-13C4,100 µg/mL,isooctane,1mL,

PAH Standard