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Nucleosides and nucleotides

5-Hydroxyuridine

Also known as isobarbituridine, Uridine, 5-hydroxy-, 1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-hydroxypyrimidine-2,4(1H,3H)-dione

CAS 957-77-7Formula C9H12N2O7Molar mass 260.20 g/molEC 213-487-1
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5-Hydroxyuridine chemical structure, C9H12N2O7, CAS 957-77-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
957-77-7
Formula
C9H12N2O7
Molar mass
260.20 g/mol
EC number
213-487-1
HS code
293499
Category
Nucleosides and nucleotides

What is 5-Hydroxyuridine?

Plain description, key identifiers and synonyms

5-hydroxyuridine is a member of the class of uridines that is uridine in which the hydrogen at position 5 of the uracil ring is substituted by a hydroxy group. It is a member of uridines and an organic hydroxy compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-hydroxypyrimidine-2,4-dione
CAS number
957-77-7 CAS number cross-checkedOther or deprecated CAS: 36675-91-9
EC number
213-487-1
Molecular formula
C9H12N2O7
MDL number
MFCD00010571
InChIKey
QXDXBKZJFLRLCM-UAKXSSHOSA-N
InChI
InChI=1S/C9H12N2O7/c12-2-4-5(14)6(15)8(18-4)11-1-3(13)7(16)10-9(11)17/h1,4-6,8,12-15H,2H2,(H,10,16,17)/t4-,5-,6-,8-/m1/s1
Canonical SMILES
O=c1[nH]c(=O)n(C2OC(CO)C(O)C2O)cc1O
Isomeric SMILES
C1=C(C(=O)NC(=O)N1[C@H]2[C@@H]([C@@H]([C@H](O2)CO)O)O)O

Synonyms

  • isobarbituridine
  • Uridine, 5-hydroxy-
  • 1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-hydroxypyrimidine-2,4(1H,3H)-dione
  • 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-hydroxypyrimidine-2,4-dione
  • 1-(beta-D-ribofuranosyl)-5-hydroxypyrimidine-2,4(1H,3H)-dione
  • OHUrd
  • 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl]-5-hydroxy-pyrimidine-2,4-dione
  • 5-Oxouridine
  • 5-?Hydroxyuridine
  • 1-?-D-Ribofuranosylisobarbituric acid
  • 1-beta-D-Ribofuranosylisobarbituric Acid,
  • 4,5-dihydroxy-1-pentofuranosylpyrimidin-2(1H)-one
  • 4,5-Dihydroxy-1-beta-D-ribofuranosylpyrimidin-2(1H)-one
  • 2,4(1H,3H)-Pyrimidinedione, 5-hydroxy-1-beta-D-ribofuranosyl-

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
260.20 g/molcalc.
Exact mass
260.0645 Dacalc.
LogP (octanol/water)
-3.15calc.
Topological polar surface area
145 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
7calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

5-Hydroxyuridine suppliers

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Where suppliers are based

1 supplier in 1 country

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5-Hydroxyuridine 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.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 5-Hydroxyuridine 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 5-Hydroxyuridine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 5-Hydroxyuridine, based on the data on this page

What is 5-Hydroxyuridine?

5-hydroxyuridine is a member of the class of uridines that is uridine in which the hydrogen at position 5 of the uracil ring is substituted by a hydroxy group. It is a member of uridines and an organic hydroxy compound.

What is the CAS number of 5-Hydroxyuridine?

The CAS registry number of 5-Hydroxyuridine is 957-77-7. Other or deprecated CAS numbers: 36675-91-9.

What is the molecular formula and weight of 5-Hydroxyuridine?

The molecular formula of 5-Hydroxyuridine is C9H12N2O7 and its molar mass is 260.20 g/mol.

Is 5-Hydroxyuridine hazardous?

No GHS hazard classification for 5-Hydroxyuridine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 5-Hydroxyuridine?

5-Hydroxyuridine 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 5-Hydroxyuridine?

CompoundList lists 1 supplier of 5-Hydroxyuridine in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 5-Hydroxyuridine?

Suppliers quote 5-Hydroxyuridine 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 5-Hydroxyuridine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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