4-Methoxy-2',3,5,5'-tetrachlorobiphenyl, 100µg/ml in IO, 1ml

2-n-Propylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 644-35-9

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 10µg/mL in Isooctane, 1ml

CONOSTAN 1000ppm Standard, P, 50g