CompoundList

Fialuridine

Also known as FIAU, Fluoroiodoarauridine, 1-(2-Deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-iodouracil

Fialuridine chemical structure, C9H10FIN2O5, CAS 69123-98-4
2D chemical structure

Key facts

What buyers check first

CAS number
69123-98-4
Formula
C9H10FIN2O5
Molar mass
372.09 g/mol
EC number
688-476-1
HS code
293499
Category
Screening compounds

What is Fialuridine?

Plain description, key identifiers and synonyms

Fialuridine is a nucleoside analog of uridine with activity against hepatitis B virus and herpes viruses. Fialuridine inhibits viral DNA polymerase and viral replication.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-iodopyrimidine-2,4-dione
CAS number
69123-98-4 CAS number cross-checked
EC number
688-476-1
Molecular formula
C9H10FIN2O5
UNII
53T7IN77LC
MDL number
MFCD00866922
InChIKey
IPVFGAYTKQKGBM-BYPJNBLXSA-N
InChI
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
Canonical SMILES
O=c1[nH]c(=O)n(C2OC(CO)C(O)C2F)cc1I
Isomeric SMILES
C1=C(C(=O)NC(=O)N1[C@H]2[C@H]([C@@H]([C@H](O2)CO)O)F)I

Synonyms

  • FIAU
  • Fluoroiodoarauridine
  • 1-(2-Deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-iodouracil
  • Fialuridina
  • 2'-Fluoro-5-iodo-1-beta-D-arabinofuranosyluracil
  • Uracil, 1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-iodo-
  • 2'-fluoro-5-iodoarauracil
  • 2,4(1H,3H)-Pyrimidinedione, 1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-iodo-
  • 1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-iodo-1,2,3,4-tetrahydropyrimidine-2,4-dione
  • fialuridinum
  • 1-((2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl)-5-iodo-1,2,3,4-tetrahydropyrimidine-2,4-dione
  • 1-(2-Deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-iodo-2,4(1H,3H)-pyrimidinedione
  • 1-(2'fluoro-2'-deoxyarabinofuranosyl)-5-iodouracil
  • 1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)-5-iodo-unracil
  • 1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-iodopyrimidine-2,4-dione
  • 1-(2-Deoxy-2-fluoro-b-D-arabinofuranosyl)-5-iodouracil
  • 1-((2R,3S,4R,5R)-3-Fluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-iodopyrimidine-2,4(1H,3H)-dione
  • 1-(2-deoxy-2-fluoro-|A-D-arabinofuranosyl)-5-iodouracil
  • 1-[(2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-iodo-pyrimidine-2,4-dione
  • 1-(2'-Deoxy-2'-fluoro-beta-D-arabinofuranosyl)-5-iodouracil
  • 2'-Fluoro-5-iodouracil
  • Fialuridine (USAN/INN)
  • Fialuridine - Bio-X trade mark
  • Fialuridine, >=98% (HPLC)
  • Uracil, 1-(2-deoxy-2-fluoro-beta-D
Show all 27 synonyms
  • 1-(2'-Deoxy-2'-fluoro-?-D-arabinofuranosyl)-5-iodouracil
  • 1-(2-Deoxy-2-fluoro-|_-D-arabinofuranosyl)-5-iodouracil

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
372.09 g/molcalc.
Exact mass
371.9618 Dacalc.
LogP (octanol/water)
-1.27calc.
Topological polar surface area
104.6 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
2calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.56calc.
Formal charge
0calc.
Stereocentres
4calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=c1ccn(C2CCCO2)c(=O)[nH]1

O=c1ccn(C2CCCO2)c(=O)[nH]1

2 rings, 13 atoms, the Tetrahydrofuryluracil ring system.

3,051 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H301Toxic if swallowed.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
Precautionary statements (14)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Fialuridine suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 11 suppliers
11 of 11 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

11 suppliers in 3 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Fialuridine price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Antiviral Agents
  • Nucleic Acid Synthesis Inhibitors

Roles

  • anti-HBV agent
  • antimicrobial agent
  • antiviral agent

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Fialuridine is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Fialuridine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Fialuridine, based on the data on this page

What is Fialuridine?

Fialuridine is a nucleoside analog of uridine with activity against hepatitis B virus and herpes viruses. Fialuridine inhibits viral DNA polymerase and viral replication.

What is the CAS number of Fialuridine?

The CAS registry number of Fialuridine is 69123-98-4.

What is the molecular formula and weight of Fialuridine?

The molecular formula of Fialuridine is C9H10FIN2O5 and its molar mass is 372.09 g/mol.

What is Fialuridine used for?

Known uses and roles of Fialuridine include building blocks in research and laboratory, screening compounds in research and laboratory, anti-hbv agent, antimicrobial agent, antiviral agent and 2 more.

Is Fialuridine hazardous?

Fialuridine carries the GHS signal word "Danger". Main hazards: toxic if swallowed, harmful in contact with skin, harmful if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Fialuridine?

Fialuridine is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fialuridine?

CompoundList lists 11 suppliers of Fialuridine in China, United States and Czech Republic. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Fialuridine?

Suppliers quote Fialuridine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Fialuridine

Get quotes for Fialuridine

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Fialuridine with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/fialuridine-69123-98-4" title="Fialuridine structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Screening compounds or HS code 293499

11 suppliers
Free quotes, contact stays private
Get quotes