A 2576 (OTTO) L-Arabinose, for biochemistry 99% Cas 5328-37-0 - used as a substrate to identify, differentiate and characterize pentose sugar isomerase(s). A 2576 (OTTO) L-Arabinose, for biochemistry 99% Cas 5328-37-0 - used in the bioproduction of L-ribose.