2,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml

Formaldehyde (1 ppm)

CLP Performance Evaluation Solution

alpha alpha alpha (24R)-4 alpha-Methyl-24-ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53596-90-0