Cytosine β-D-arabinofuranoside hydrochloride
Cytosine β-D-arabinofuranoside hydrochloride (CAS: 69-74-9), with the molecular formula C9H13N3O5 · HCl and a molecular weight of 279.68 g/mol, is a crystalline compound. It serves as a crucial agent in antitumor research and is recognised for its role in DNA synthesis inhibition. This compound is valuable in various cell biology studies, particularly those involving apoptosis, cell cycle regulation, and DNA metabolism.
- IUPAC
- 1-(β-D-Arabinofuranosyl)cytosine hydrochloride,Ara-C hydrochloride,Arabinocytidine hydrochloride,Arabinosylcytosine hydrochloride,Cytarabine hydrochloride,Cytosine arabinoside hydrochloride
- Synonyms
- Cytarabine hydrochlorideCytosine arabinoside hydrochlorideArabinocytidine hydrochlorideArabinosylcytosine hydrochloride1-(β-D-Arabinofuranosyl)cytosine hydrochlorideCI-CY

Antitumor Research
Cytosine β-D-arabinofuranoside hydrochloride is employed as a research tool in the study of antitumor agents. Its mechanism of action involves interfering with DNA synthesis, making it a subject of interest in cancer research.
Cell Biology Studies
This compound is utilised in cell biology to investigate processes such as apoptosis and cell cycle regulation. It is also relevant in studies concerning DNA metabolism and cell signaling pathways.
DNA Synthesis Inhibition
As an inhibitor of DNA synthesis, Cytosine β-D-arabinofuranoside hydrochloride is a valuable reagent for researchers exploring the fundamental mechanisms of DNA replication and repair in various cellular contexts.
| Molecular weight | 279.68 |
|---|---|
| Empirical formula | C9H13N3O5 · HCl |
| Form | crystalline |
| Storage temperature | 2-8°C |
| Melting point | 197-198 °C(lit.) |


Hazard statements
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H341Suspected of causing genetic defects
- H361Suspected of damaging fertility or the unborn child
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 63-36-43 |
| Safety statements (S) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Cytosine β-D-arabinofuranoside hydrochloride used for?
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Cytosine β-D-arabinofuranoside hydrochloride is used in scientific research, particularly in antitumor studies, cell biology, and for investigating DNA synthesis inhibition, apoptosis, and cell cycle regulation.
What is the CAS number and chemical formula for Cytosine β-D-arabinofuranoside hydrochloride?
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The CAS number is 69-74-9 and the chemical formula is C9H13N3O5 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Cytosine β-D-arabinofuranoside hydrochloride as a research grade chemical. We do not claim it to be USP, BP, EP or any other pharmacopoeia grade unless explicitly stated in the product specifications.
What are the safety considerations when handling Cytosine β-D-arabinofuranoside hydrochloride?
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Cytosine β-D-arabinofuranoside hydrochloride is a Warning substance that may cause skin irritation (H319), an allergic skin reaction (H317), and is suspected of causing genetic defects (H341) and harming fertility or the unborn child (H361). Always handle with appropriate personal protective equipment, including gloves and eye protection, in a well-ventilated area. Refer to the Safety Data Sheet for full details.
How is Cytosine β-D-arabinofuranoside hydrochloride shipped and exported by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Cytosine β-D-arabinofuranoside hydrochloride is carefully packaged to meet international shipping regulations and can be exported worldwide.
How can I request a quote or sample for Cytosine β-D-arabinofuranoside hydrochloride?
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To request a quote or a sample of Cytosine β-D-arabinofuranoside hydrochloride, please contact our sales team through the website or by phone.
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