An antiviral nucleoside analog
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Fialuridine

Item No. 15867

Technical Information
Formal Name
1-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-5-iodo-2,4(1H,3H)-pyrimidinedione
CAS Number
69123-98-4
Synonyms
  • FIAU
  • Fluoroiodoarauracil
  • 5-Iodo-2’-Fluoroarauracil
  • NSC 678514
Molecular Formula
C9H10FIN2O5
Formula Weight
Purity
≥98%
A crystalline solid
DMF: 20 mg/mlDMF:PBS (pH 7.2) (1:1): 0.5 mg/mlDMSO: 15 mg/ml
λmax
215, 282 nm
SMILES
OC[C@@H]1[C@@H](O)[C@H](F)[C@H](N2C=C(I)C(NC2=O)=O)O1
InChi Code
InChI=1S/C9H10FIN2O5/c10-5-6(15)4(2-14)18-8(5)13-1-3(11)7(16)12-9(13)17/h1,4-6,8,14-15H,2H2,(H,12,16,17)/t4-,5+,6-,8-/m1/s1
InChi Key
IPVFGAYTKQKGBM-BYPJNBLXSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    Fialuridine (FIAU) is a nucleoside analog with antiviral activity. It inhibits thymidine kinases from herpes simplex virus types 1 and 2 with Ki values of 0.14 and 0.95 µM, respectively, while blocking green monkey Vero cell thymidine kinase less effectively (Ki = 53 µM).1 FIAU blocks DNA synthesis in human cytomegalovirus and hepatitis B, as well as herpes simplex.2,3,4 Notably, while FIAU has few adverse effects in several mammals, it causes mitochondrial toxicity leading to liver damage and death in humans.5

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Mansuri, M.M., Ghazzouli, I., Chen, M.S., et al1-(2-Deoxy-2-fluoro-β-D-arabinofuranosyl)-5-ethyluracil. A highly selective antiherpes simplex agent. J. Med. Chem. 30(5), 867-871 (1987).

    2. Colacino, J.M., and Lopez, C. Efficacy and selectivity of some nucleoside analogs as anti-human cytomegalovirus agents. Antimicrob. Agents Chemother. 24(4), 505-508 (1983).

    3. Staschke, K.A., Colacino, J.M., Mabry, T.E., et alThe in vitro anti-hepatitis B virus activity of FIAU [1-(2'-deoxy-2'-fluoro-1-β-D-arabinofuranosyl-5-iodo)uracil] is selective, reversible, and determined, at least in part, by the host cell. Antiviral Res. 23(1), 45-61 (1994).

    4. Watanabe, K.A., Reichman, U., Hirota, K., et alNucleosides. 110. Synthesis and antiherpes virus activity of some 2'-fluoro-2'-deoxyarabinofuranosylpyrimidine nucleosides. J. Med. Chem. 22(1), 21-24 (1979).

    5. Attarwala, H. TGN1412: From discovery to disaster. J. Young Pharm. 2(3), 332-336 (2010).