Cytidine(redirected from Cytidine triphosphate)
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(also cytosine riboside), a natural organic compound; a nucleoside consisting of the pyrimidine base cystosine and the carbohydrate D-ribose. Cytidine forms long, needle-like crystals or a white crystalline powder, both of which are hygroscopic and readily soluble in water. It has a molecular weight of 243.2. Cystosine is found in all living cells as a component of ribonucleic acids and nucleotides.