Cytidine

Name: Cytidine
Brand: Vaqora Chemicals
SKU: VQ-013314

About Cytidine

Listed under CAS 65-46-3, Cytidine is a process intermediate or related compound of Molnupiravir available from Vaqora Chemicals. Its molecular formula is C9H13N3O5 and its molecular weight is 243.22 g/mol. Systematically, it is named 4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one. Alternative names: 1-beta-D-ribosylcytosine and Cytosine Riboside.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Process chemists and analysts use it when developing synthetic routes to Molnupiravir, tracking process-related impurities and validating analytical methods. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. Stock is available for quick dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Molnupiravir

View every impurity, metabolite and intermediate we list for Molnupiravir.

Molnupiravir impurities

Specifications & identifiers

Chemical identifiers
Product name	Cytidine
Catalogue No.	VQ-013314
CAS Number	65-46-3
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	243.0855
Grade	Reference Standard
HSN code	2933
InChIKey	UHDGCWIWMRVCDJ-XVFCMESISA-N
SMILES	C1=CN(C(=O)N=C1N)[C@H]2[C@@H]([C@@H]([C@H](O2)CO)O)O
PubChem CID	6175

Physical properties
Physical form	Solid
LogP (XLogP3)	-2.1
H-bond donors / acceptors	4 / 5
TPSA	129 Å²
Synonyms	4-Amino-1-beta-D-ribofuranosyl-2(1H)-pyrimidinone, 1-beta-D-ribosylcytosine, 1-(beta-D-Ribofuranosyl)-2-oxo-4-amino-1,2-dihydro-1,3-diazine, Cytosine Riboside, 1-beta-D-Ribofuranosylcytosine, beta-D-Ribofuranoside, cytosine-1, 1beta-D-Ribofuranosylcytosine, 4-Amino-1beta-D-ribofuranosyl-2(1H)-pyrimidinone, 2(1H)-Pyrimidinone, 4-amino-1-beta-D-ribofuranosyl-, 4-amino-1-beta-D-ribofuranosylpyrimidin-2(1H)-one, Riboside, Cytosine, Cytosine Ribonucleoside

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 65-46-3

Biochemistry

Cytidine, 99%

CAS: 65-46-3
Formula: C₉H₁₃N₃O₅
MW: 243.22 g/mol

VQ-003285

Cell Culture

Cytidine, cell culture tested

CAS: 65-46-3
Formula: C₉H₁₃N₃O₅
MW: 243.22 g/mol

VQ-046363

EP

Cytidine, EP

CAS: 65-46-3
Formula: C₉H₁₃N₃O₅
MW: 243.22 g/mol

VQ-047129

Frequently asked questions

What is the CAS number of Cytidine?

The CAS Registry Number of Cytidine is 65-46-3. It is also known as 4-Amino-1-beta-D-ribofuranosyl-2(1H)-pyrimidinone, 1-beta-D-ribosylcytosine, 1-(beta-D-Ribofuranosyl)-2-oxo-4-amino-1,2-dihydro-1,3-diazine.

What is the molecular formula and molecular weight of Cytidine?

Cytidine has the molecular formula C9H13N3O5 and a molecular weight of 243.22 g/mol. Its IUPAC name is 4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one.

What is Cytidine used for?

Cytidine is supplied as a characterised reference material related to Molnupiravir. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Cytidine can I order?

We supply Cytidine in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Cytidine?

Yes. Every lot of Cytidine is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Cytidine be shipped internationally?

Yes. Cytidine is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.