GLC reference standard GLC-673-B, 100mg

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no.

CLP Volatiles - Low Concentration Mix #4

CWA Semi-Volatiles in Non-Potable Water