Monosaccharides Classified by: >aldose or ketose >number of carbons in chain >configuration of chiral carbon farthest from the carbonyl group CHO CH,OH 4 OH glucose,a C=0 D-aldohexose H HO H H OH H OH fructose,a H OH D-ketohexose H OH => CH2OH Chapter 23 CH2OHChapter 23 4 Monosaccharides • Classified by: ➢aldose or ketose ➢number of carbons in chain ➢configuration of chiral carbon farthest from the carbonyl group glucose, a D-aldohexose fructose, a D-ketohexose =>