C9H13N3O5
243.22 g/mol
APIWarning
Cytidine
CAS65-46-3EC200-610-9
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material
Cytidine is a pyrimidine nucleoside composed of the base cytosine linked to the five-carbon sugar D-ribose. It is a fundamental component of nucleic acids and is commonly used as a research compound in biochemical studies.
biochemical researchnucleic acid component
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.79
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Referencestereoisomer of
Cytarabine hydrochloride
CAS69-74-9
pharmaceutical raw material
Referencestereoisomer of
Cytarabine
CAS147-94-4
pharmaceutical raw material
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Cytidine (CAS 65-46-3) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one
InChIKey
UHDGCWIWMRVCDJ-XVFCMESISA-N
SMILES
C1=CN(C(=O)N=C1N)[C@H]2[C@@H]([C@@H]([C@H](O2)CO)O)O
Synonyms (45)
- CP-C
- CTN
- 1-b-D-Ribofuranosylcytosine
- 1-b-D-ribosyl-Cytosine
- 1-beta-D-ribosyl- (6CI)
- 1-beta-delta-ribosyl-Cytosine
- 1beta-Ribofuranosylcytosine
- 3h-cytidine
- CYTIDINE [MART.]
- Cyd
- Cytidin
- Cytidine, >=99.0% (HPLC)
- Cytosine Ribonucleoside
- Cytosine riboside
- Cytosine-beta-D-riboside
- Posilent (TN)
- Ribonucleoside, Cytosine
- Riboside, Cytosine
- Zytidin
- beta-D-ribofuranosyl-cytidine
- beta-cytidine
- beta.-D-Ribo-C
- cytidine
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