![Molecular structure of 1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione (CAS 69256-17-3)](/images/chem_structures_svg/361/69256-17-3.svg)
1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione
Also known as: 2'-Fluoro-5-methylarabinosyluracil, FMAU, D-FMAU, 2'-Deoxy-2'-fluoro-5-methyl-β-D-arabinouridine, 2'-FANA-dT, Ara-2'-F-2'-dT, 1-(2-Deoxy-2-fluoro-β-D-arabinofuranosyl)-5-methyluracil, 1-(2-Deoxy-2-fluoro-β-D-arabinofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione, 1-(2-Fluoro-2-deoxy-β-D-arabinofuranosyl)thymine, 2,4(1H,3H)-Pyrimidinedione, 1-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-5-methyl-, 2'-fluorothymidine
1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione (CAS 69256-17-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H13FN2O5 and a molecular weight of 260.22 g/mol. Key property: a density of 1.6±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 69256-17-3
- Jingsj CID
- J-1981970-6
- Molecular Formula
- C10H13FN2O5
- Molecular Weight
- 260.22 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Exact Mass | 260.080841 |
| PSA | 104.55000 |
| LogP | -0.72 |
| Refractive Index | 1.593 |
Activity & Biological Data
| Additional Information | [1]. Cavanagh BL, et al. Thymidine analogues for tracking DNA synthesis. Molecules. 2011 Sep 15;16(9):7980-93. |
|---|
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 1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione?
The CAS number of 1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione is 69256-17-3.
What are the molecular formula and molecular weight of 1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione?
1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione has molecular formula C10H13FN2O5 and molecular weight 260.22 g/mol.
What are the upstream and downstream products of 1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione?
For 1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione, Upstream Products: 2-Deoxy-2-fluoro-1,3,5-tri-O-benzoyl-α-D-arabinofuranose, 2-Deoxy-2-fluoro-alpha-D-arabinofuranosyl bromide 3,5-dibenzoate, 5-Methylcytosine; Downstream Products: 1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-fluoro-β-D-arabinofuranosyl]-5-methyl-2,4(1H,3H)-pyrimidinedione, 5'-O-(4,4'-Dimethoxytrityl)thymidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-methylpyrimidine-2,4-dione (CAS 69256-17-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1981970-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.