A white crystalline nucleoside, C9H13N3O5, composed of one molecule each of cytosine and ribose.
Dictionary:
cy·ti·dine (sī'tĭ-dēn') ![]() |
A white crystalline nucleoside, C9H13N3O5, composed of one molecule each of cytosine and ribose.
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| Chemistry Dictionary: cytidine |
A nucleoside comprising one cytosine molecule linked to a D-ribose sugar molecule. The derived nucleotides, cytidine mono-, di-, and triphosphate (CMP, CDP, and CTP respectively) participate in various biochemical reactions, notably in phospholipid synthesis.

| Veterinary Dictionary: cytidine |
A nucleoside, cytosine riboside; a constituent of RNA and cytidine nucleotides.
| Wikipedia: Cytidine |
| Cytidine | |
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| CAS number | [] |
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| Properties | |
| Molecular formula | C9H13N3O5 |
| Molar mass | 243.22 g mol−1 |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references |
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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. Cytidine is a component of RNA.
If cytosine is attached to a deoxyribose ring, it is known as a deoxycytidine.
Dietary sources of cytidine include foods with high RNA (ribonucleic acid) content,[1] such as organ meats, Brewer's yeast, as well as pyrimide-rich foods such as beer. During digestion, RNA-rich foods are broken-down into ribosyl pyrimidines (cytidine and uridine), which are absorbed intact.[1] In humans, dietary cytidine is converted into uridine, [2] which is probably the compound behind cytidine's metabolic effects.
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| CDP | |
| CMP | |
| DDC |
| What is cytidine? Read answer... |
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