Orotidine

Orotidine

Names
IUPAC names 4-Pyrimidinecarboxylic acid, 1,2,3,6-tetrahydro- 2,6-dioxo-3-beta-D-ribofuranosyl-
Other names 3-Ribofuranosylorotic acid, 6-Carboxyuridine, orotate riboside
Identifiers
CAS Registry Number	314-50-1 Y
ChemSpider	83729 Y
InChI InChI=1S/C10H12N2O8/c13-2-4-6(15)7(16)8(20-4)12-3(9(17)18)1-5(14)11-10(12)19/h1,4,6-8,13,15-16H,2H2,(H,17,18)(H,11,14,19)/t4-,6-,7-,8-/m1/s1 Y Key: FKCRAVPPBFWEJD-XVFCMESISA-N Y
Jmol-3D images	Image
PubChem	92751
SMILES O=C(O)C=1N(C(=O)NC(=O)C=1)[C@@H]2O[C@@H]([C@@H](O)[C@H]2O)CO
Properties
Chemical formula	C10H12N2O8
Molar mass	288.213 g/mol
Melting point	200 °C (392 °F; 473 K)
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Orotidine is a nucleoside formed by attaching orotic acid to a ribose ring via a β-N₁-glycosidic bond. It is found in bacteria, fungi and plants. It was first isolated in 1951 from the fungus Neurospora by A. Michael Michelson, William Drell, and Herschel K. Mitchell.^[1] In humans, orotidine occurs as its 5'-phosphate (orotidylic acid), which is an intermediate in pyrimidine nucleotide biosynthesis (cytidine and uridine) that are found in nucleic acids. Orotidine itself is not a component of nucleic acid. Large amounts of orotidine are excreted in the urine of cancer patients treated with 6-azauridine.

The symbol commonly used for orotidine is O or Ord.

Notes