Floxuridine
Also known as: 2'-Deoxy-5-fluorouridine, 5-Fluoro-2'-deoxyuridine, 5-Fluorodeoxyuridine, FUDR, 1-(2-Deoxy-β-D-ribofuranosyl)-5-fluorouracil, 5-Fluoro-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione, Floxuridin, NSC-27640
Floxuridine (CAS 50-91-9) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H11FN2O5 and a molecular weight of 246.192 g/mol. Key properties include a melting point of 148 °C(lit.), a boiling point of 483.0±55.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 245.9±31.5 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 50-91-9
- Jingsj CID
- J-1975835-8
- Molecular Formula
- C9H11FN2O5
- Molecular Weight
- 246.192 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 148 °C(lit.) |
|---|---|
| Boiling Point | 483.0±55.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 245.9±31.5 °C |
| Exact Mass | 246.065201 |
| PSA | 104.55000 |
| LogP | -1.22 |
| Vapor Pressure | 0.0±2.8 mmHg at 25°C |
| Refractive Index | 1.676 |
| Additional Property | soluble |
GHS Safety & Compliance
- H301 — Toxic if swallowed
Activity & Biological Data
| Additional Information | [1]. Landowski CP, et al. Targeted delivery to PEPT1-overexpressing cells: acidic, basic, and secondary floxuridine amino acid ester prodrugs. Mol Cancer Ther. 2005 Apr;4(4):659-67. [2]. Viertl D, et al. Increase of [(18)F]FLT tumor uptake in vivo mediated by FdUrd: toward improving cell proliferation positron emission tomography. Mol Imaging Biol. 2011 Apr;13(2):321-31. |
|---|
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 Floxuridine?
The CAS number of Floxuridine is 50-91-9.
What are the molecular formula and molecular weight of Floxuridine?
Floxuridine has molecular formula C9H11FN2O5 and molecular weight 246.192 g/mol.
Is Floxuridine hazardous?
Floxuridine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.
What are the upstream and downstream products of Floxuridine?
For Floxuridine, Upstream Products: 5-Fluorouracil, 2'-deoxyuridine, Thymidine; Downstream Products: 5-Fluorouracil, 5-Fluoro-2'-deoxycytidine, choline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Floxuridine (CAS 50-91-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975835-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.