Cytidine

Cytidine
Names
	IUPAC name Cytidine
	Systematic IUPAC name 4-Amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2(1H)-one
	Other names 4-Amino-1-β-D-ribofuranosyl-2(1H)-pyrimidinone; 4-Amino-1-[3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]pyrimidin-2-one
Identifiers
CAS Number	65-46-3 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:17562 ;
ChEMBL	ChEMBL95606 ;
ChemSpider	5940 ;
ECHA InfoCard	100.000.555
IUPHAR/BPS	4728;
KEGG	D07769 ;
MeSH	Cytidine
PubChem CID	6175;
UNII	5CSZ8459RP ;
CompTox Dashboard (EPA)	DTXSID60891552 ;
	InChI InChI=1S/C9H13N3O5/c10-5-1-2-12(9(16)11-5)8-7(15)6(14)4(3-13)17-8/h1-2,4,6-8,13-15H,3H2,(H2,10,11,16)/t4-,6-,7-,8-/m1/s1 Key: UHDGCWIWMRVCDJ-XVFCMESISA-N ; InChI=1/C9H13N3O5/c10-5-1-2-12(9(16)11-5)8-7(15)6(14)4(3-13)17-8/h1-2,4,6-8,13-15H,3H2,(H2,10,11,16)/t4-,6-,7-,8-/m1/s1 Key: UHDGCWIWMRVCDJ-XVFCMESIBD;
	SMILES O=C1/N=C(/N)\C=C/N1[C@@H]2O[C@@H]([C@@H](O)[C@H]2O)CO;
Properties
Chemical formula	C9H13N3O5
Molar mass	243.217
Appearance	white, crystalline powder
Melting point	230 °C (decomposes)
Magnetic susceptibility (χ)	−123.7·10−6 cm3/mol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Cytidine (symbol C or Cyd) is a nucleoside molecule that is formed when cytosine is attached to a ribose ring (also known as a ribofuranose) via a β-N₁-glycosidic bond. Cytidine is a component of RNA. It is a white water-soluble solid that is only slightly soluble in ethanol.