ICP-MS Calibration Standard #3

(24R)-24-Methyl-3,5-cyclocholestane and (24R)-24-Ethyl-3,5-cyclocholestane, 200µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 36545-67-2 / '38776-72-6

Fenbutatin oxide, 10 µg/ml, Cyclohexane, 10ml

2,3,3',4,4',5,5'-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane