The surface of the silica gel is coated with cellulose-tribenzoate

OB is a polysaccharide derivative positive phase coated chiral column, and the surface of the silica gel is coated with cellulose-tribenzoate.

OB is currently the most widely used chiral filler in the world. The excellent separation ability and tolerance of OB column have been reported in various literatures.

CHIRALCEL ^® OB-H / CHIRALCEL ^® OB is used in the normal phase mobile phase