what is the L-Ribose?

Name:L-Ribose
CAS:24259-59-4
Molecular Formula:C5H10O5
Molecular Weight:150.13g/mol
Description:L-Ribose is a very important saccharide concered with life and heredity, which plays a very important role in physiology.It exists abundantly in the nature, however, the enantiomers L-Ribose does not , which is a rare and expensive saccharide. It is manufactured as a white crystalline powder. Pure L-Ribose is used for pharmaceutical applications such as nucleoside analogues and synthetic oligonucleotides.
from:Acridine Raw Material