Cytarabine
Also known as: 1-β-D-Arabinofuranosylcytosine, Cytosine β-D-arabinofuranoside, Ara-C, Arabinocytidine, Arabinosylcytosine, Arabinofuranosylcytosine, 4-Amino-1-β-D-arabinofuranosyl-2(1H)-pyrimidinone, 4-Amino-1-[(2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one, Cytosine β-D-Arabinofuranoside, DepoCyt, Cytosar-U
Cytarabine (CAS 147-94-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H13N3O5 and a molecular weight of 243.217 g/mol. Key properties include a melting point of 214 °C, a boiling point of 529.7±60.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 274.1±32.9 °C. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction and H361 — Suspected of damaging fertility or the unborn child. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 147-94-4
- Jingsj CID
- J-10492-7
- Molecular Formula
- C9H13N3O5
- Molecular Weight
- 243.217 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 214 °C |
|---|---|
| Boiling Point | 529.7±60.0 °C at 760 mmHg |
| Density | 1.9±0.1 g/cm3 |
| Flash Point | 274.1±32.9 °C |
| Exact Mass | 243.085526 |
| PSA | 130.83000 |
| LogP | -1.78 |
| Vapor Pressure | 0.0±3.2 mmHg at 25°C |
| Refractive Index | 1.756 |
| Additional Property | H2O: 50 mg/mL, clear, colorless |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
- H361 — Suspected of damaging fertility or the unborn child
Activity & Biological Data
| Target | IC50: 16 nM (DNA synthesis) |
|---|---|
| Additional Information | [1]. Tobias, S.C. and R.F. Borch, Synthesis and biological evaluation of a cytarabine phosphoramidate prodrug. Mol Pharm, 2004. 1(2): p. 112-6. [2]. Besirli, C.G., et al. Cytosine arabinoside rapidly activates Bax-dependent apoptosis and a delayed Bax-independent death pathway in sympathetic neurons. Cell Death Differ, 2003. 10(9): p. 1045-58. [3]. Yamauchi, H., et al., Involvement of p53 in 1-beta-D-arabinofuranosylcytosine-induced trophoblastic cell apoptosis and impaired proliferation in rat placenta. Biol Reprod, 2004. 70(6): p. 1762-7. [4]. Richel, D.J., et al., Comparison of the antileukaemic activity of 5 aza-2-deoxycytidine and arabinofuranosyl-cytosine in rats with myelocytic leukaemia. Br J Cancer, 1988. 58(6): p. 730-3. |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Cytarabine?
The CAS number of Cytarabine is 147-94-4.
What are the molecular formula and molecular weight of Cytarabine?
Cytarabine has molecular formula C9H13N3O5 and molecular weight 243.217 g/mol.
Is Cytarabine hazardous?
Cytarabine has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction; H361 — Suspected of damaging fertility or the unborn child.
What are the upstream and downstream products of Cytarabine?
For Cytarabine, Upstream Products: Ancitabine hydrochloride, 1-β-D-Arabinofuranosyluracil, Ancitabine; Downstream Products: 1-β-D-Arabinofuranosyluracil, Uracil, Cytarabine hydrochloride.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cytarabine (CAS 147-94-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10492-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.