InertCap 1701 manufactured by GL Sciences Inc. is a medium polar column bonded 14 % cyanopropylphenyl and 86 % dimethylpolysiloxane. Similar with InertCap 1301, InertCap 1701 contains cyano groups. The polarity of InertCap 1701 is stronger than that of InertCap 25. It is suitable for pesticides screening analyses.