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CAS 65-46-3

CAS 65-46-3 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 65-46-3
CAS 65-46-3PubChem CID 6175

Cytidine

Cytidine is a pyrimidine nucleoside in which cytosine is attached to ribofuranose via a beta-N1-glycosidic bond. It has a role as a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite. It is functionally related to a cytosine. — ChEBI

IUPAC name
4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one
Molecular formula
C9H13N3O5
Molecular weight
243.22 g/mol
Exact mass
243.08552052 Da
XLogP3
-2.1
Topological polar surface area
129.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
5
Covalent units
1
Defined stereocentres
4

Also known as

Cytosine riboside4-Amino-1-beta-D-ribofuranosyl-2(1H)-pyrimidinone1-beta-D-Ribofuranosylcytosinebeta-D-Ribofuranoside, cytosine-11beta-D-Ribofuranosylcytosine4-Amino-1beta-D-ribofuranosyl-2(1H)-pyrimidinone2(1H)-Pyrimidinone, 4-amino-1-beta-D-ribofuranosyl-5CSZ8459RP
16 more reported names
CHEBI:17562NSC-202584-amino-1-beta-D-ribofuranosylpyrimidin-2(1H)-one4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2-dihydropyrimidin-2-oneRiboside, CytosineCytosine RibonucleosideRibonucleoside, Cytosine4-amino-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl)pyrimidin-2-one4-amino-1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl)-1,2-dihydropyrimidin-2-oneRefChem:388908200-610-91beta-Ribofuranosylcytosine1-beta-RibofuranosylcytosineCytidinCytosine, 1-beta-D-ribofuranosyl-1beta-2'-Ribofuranosylcytosine, d-
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 65-46-3

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How CAS 65-46-3 is used on this site

CAS 65-46-3 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 65-46-3 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.