Nexera UC Chiral CC3, 3 Micron, 4.6 x 100 mm The Nexera UC Chiral CC3 (amylose tris(5-chloro-2-methyl- phenylcarbamate) is ideal for high resolution chiral separations based on a new halogenated carbohydrate based chiral stationary phase. Similar in selectivity to ChiralPakĀ® AY-H.