Cytidine

Cytidine
Image:C chemical structure.png
IUPAC name	4-amino-1- [3,4-dihydroxy-5-(hydroxymethyl) tetrahydrofuran-2-yl] pyrimidin-2-one
Identifiers
CAS number	65-46-3
PubChem	596
MeSH	Cytidine
SMILES	NC1=NC(=O)N(C=C1) [C@@H]2O[C@H](CO)C(O)C2O
Properties
Molecular formula	C₉H₁₃N₃O₅
Molar mass	243.217
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Cytidine 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.

If cytosine is attached to a deoxyribose ring, it is known as a deoxycytidine.

v • d • e Major families of biochemicals
Peptides \| Amino acids \| Nucleic acids \| Carbohydrates \| Nucleotide sugars \| Lipids \| Terpenes \| Carotenoids \| Tetrapyrroles \| Enzyme cofactors \| Steroids \| Flavonoids \| Alkaloids \| Polyketides \| Glycosides
Analogues of nucleic acids:	Types of Nucleic Acids	Analogues of nucleic acids:
Nucleobases:	Purine (Adenine, Guanine) \| Pyrimidine (Uracil, Thymine, Cytosine)
Nucleosides:	Adenosine/Deoxyadenosine \| Guanosine/Deoxyguanosine \| Uridine \| Thymidine \| Cytidine/Deoxycytidine
Nucleotides:	monophosphates (AMP, GMP, UMP, CMP) \| diphosphates (ADP, GDP, UDP, CDP) \| triphosphates (ATP, GTP, UTP, CTP) \| cyclic (cAMP, cGMP, cADPR)
Deoxynucleotides:	monophosphates (dAMP, dGMP, TMP, dCMP) \| diphosphates (dADP, dGDP, TDP, dCDP) \| triphosphates (dATP, dGTP, TTP, dCTP)
Ribonucleic acids:	RNA \| mRNA \| tRNA \| rRNA \| gRNA \| miRNA \| ncRNA \| piRNA \| shRNA \| siRNA \| snRNA \| snoRNA
Deoxyribonucleic acids:	DNA \| mtDNA \| cDNA
Nucleic acid analogues:	GNA \| LNA \| PNA \| TNA \| morpholino
Cloning vectors:	plasmid \| cosmid \| fosmid \| phagemid \| BAC \| YAC \| HAC