15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml

Calcifediol-d6, 0,5mg

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.

Monophenyltin trichloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 1124-19-2