Propyl Paraben, 10g

ICP-MS Calibration Standard 1

alpha alpha alpha (20R,24R)-24-Methylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 50897-35-3

Fenpropidin, 100 µg/ml, Acetonitrile, 1ml