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API Process Intermediates & Related Compounds

Cytidine

Reference StandardIn stock

Cytidine (CAS 65-46-3) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our API Process Intermediates & Related Compounds range.

Pack sizes
Cytidine chemical structure
CAS number65-46-3
FormulaC9H13N3O5
Molar mass243.22 g/mol
Physical formSolid
HS code2933
InChIKeyUHDGCWIWMRVCDJ-XVFCMESISA-N
IUPAC name4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one

About Cytidine

Cytidine is part of the Zemixal API Process Intermediates & Related Compounds range. Key data (Reference Standard): CAS 65-46-3, formula C9H13N3O5 and molar mass 243.22 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Molnupiravir

See every impurity, metabolite and related compound we list for this API.

Molnupiravir standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Cytidine
Product nameCytidine
Catalogue numberZX-012372
CAS number65-46-3
IUPAC name4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one
Molecular formulaC9H13N3O5
Molar mass243.22 g/mol
Exact mass243.0855
GradeReference Standard
Physical formSolid
XLogP3-2.1
H-bond donors / acceptors4 / 5
Topological polar surface area129 Ų
HS code2933
InChIKeyUHDGCWIWMRVCDJ-XVFCMESISA-N
SMILESC1=CN(C(=O)N=C1N)[C@H]2[C@@H]([C@@H]([C@H](O2)CO)O)O
PubChem CID6175
Synonyms4-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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Cytidine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Cytidine

Which CAS number identifies Cytidine?
Cytidine is registered under CAS 65-46-3. You may also see it listed 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. Our catalogue number for this item is ZX-012372.
What are the formula and molar mass of Cytidine?
For Cytidine, its formula is C9H13N3O5 and its molar mass is 243.22 g/mol. The systematic (IUPAC) name is 4-amino-1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one. InChIKey UHDGCWIWMRVCDJ-XVFCMESISA-N lets you match it in any structure database.
How is Cytidine used in pharmaceutical QC?
Cytidine is a characterised reference material linked to Molnupiravir. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Cytidine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Cytidine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Cytidine to my country?
Yes. Because Cytidine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 65-46-3

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