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Impurities and reference standards

Uridine

Also known as Uridin, Uracil riboside, 1-beta-D-Ribofuranosyluracil

CAS 58-96-8Formula C9H12N2O6Molar mass 244.20 g/molEC 200-407-5
GHS signal word: Warning. Pictograms: Harmful or irritant 112 suppliers listed Drug substance
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Uridine chemical structure, C9H12N2O6, CAS 58-96-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
58-96-8
Formula
C9H12N2O6
Molar mass
244.20 g/mol
EC number
200-407-5
HS code
293499
Category
Impurities and reference standards

What is Uridine?

Plain description, key identifiers and synonyms

Uridine is a ribonucleoside composed of a molecule of uracil attached to a ribofuranose moiety via a betaN1-glycosidic bond. It has a role as a drug metabolite, a human metabolite and a fundamental metabolite. It is functionally related to a uracil.

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]pyrimidine-2,4-dione
CAS number
58-96-8 CAS number cross-checkedOther or deprecated CAS: 69-75-0, 92487-68-8
EC number
200-407-5
Molecular formula
C9H12N2O6
UNII
WHI7HQ7H85
MDL number
MFCD00006526
INCI name
URIDINE
InChIKey
DRTQHJPVMGBUCF-XVFCMESISA-N
InChI
InChI=1S/C9H12N2O6/c12-3-4-6(14)7(15)8(17-4)11-2-1-5(13)10-9(11)16/h1-2,4,6-8,12,14-15H,3H2,(H,10,13,16)/t4-,6-,7-,8-/m1/s1
Canonical SMILES
O=c1ccn(C2OC(CO)C(O)C2O)c(=O)[nH]1
Isomeric SMILES
C1=CN(C(=O)NC1=O)[C@H]2[C@@H]([C@@H]([C@H](O2)CO)O)O

Synonyms

  • Uridin
  • Uracil riboside
  • 1-beta-D-Ribofuranosyluracil
  • 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione
  • 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione
  • 1-beta-D-ribofuranosylpyrimidine-2,4(1H,3H)-dione
  • Allo Uridine
  • Allo-Uridine
  • 1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl)pyrimidine-2,4-dione
  • 1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl)-1,2,3,4-tetrahydropyrimidine-2,4-dione
  • Uracil, 1-beta-D-ribofuranosyl-
  • beta-Uridine
  • d-Ribosyl uracil
  • 1-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione
  • Urd
  • 1-A-D-Ribofuranosyluracil
  • Arabinosyl-Uracil
  • b-Uridine
  • 1-[(4S,2R,3R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,3-dihydropyrimi dine-2,4-dione
  • 1-beta-D-Ribofuranosylpyrimidine-2,4(1H,3H)-dione (Uridine)
  • Uridine, Adenosine EP Impurity F, <br>Cytarabine EP Impurity B
  • araU
  • Uridine-t
  • Uridine (Standard)
  • 1af2
Show all 32 synonyms
  • 4jx9
  • 4pd6
  • Uridine, >=99%
  • 1-b-D-Ribofuranosyluracil
  • 1-beta-D-Ribofuranosyl-2,4(1H,3H)-pyrimidinedione
  • beta-D-ribofuranosyl-uridine
  • Uracil-1-A-D-ribofuranoside

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
244.20 g/molcalc.
Exact mass
244.0695 Dacalc.
LogP (octanol/water)
-2.85calc.
Topological polar surface area
124.8 ร…ยฒcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
2calc.
Heavy atoms
17calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Uridine suppliers

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Where suppliers are based

112 suppliers in 16 countries

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Uridine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Cosmetic ingredient, INCI name URIDINE(skin conditioning, skin protecting)

Roles

  • animal metabolite
  • antineoplastic agent
  • antipsychotic agent
  • central nervous system depressant
  • central nervous system drug
  • drug metabolite
  • eukaryotic metabolite
  • fundamental metabolite
  • human metabolite
  • human xenobiotic metabolite
  • mammalian metabolite
  • metabolite
  • ophthalmology drug
  • pharmaceutical
  • psychotropic drug
  • tranquilizing drug
  • xenobiotic metabolite

Functional uses

  • Humectant
  • Softener and conditioner

Cosmetic functions

  • Skin conditioning
  • Skin protecting

Pharmacology

Uridine is a Pyrimidine Analog. The chemical classification of uridine is Pyrimidines and Analogs/Derivatives.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory
  • Active ingredient in FDA approved drug labels

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Uridine 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 Uridine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Uridine?

Uridine is a ribonucleoside composed of a molecule of uracil attached to a ribofuranose moiety via a betaN1-glycosidic bond. It has a role as a drug metabolite, a human metabolite and a fundamental metabolite. It is functionally related to a uracil.

What is the CAS number of Uridine?

The CAS registry number of Uridine is 58-96-8. Other or deprecated CAS numbers: 69-75-0, 92487-68-8.

What is the molecular formula and weight of Uridine?

The molecular formula of Uridine is C9H12N2O6 and its molar mass is 244.20 g/mol.

What is Uridine used for?

Known uses and roles of Uridine include skin conditioning agents in cosmetics and personal care, animal metabolite, antineoplastic agent, antipsychotic agent, central nervous system depressant and 17 more.

Is Uridine hazardous?

Uridine carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Uridine?

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

Where can I buy Uridine?

CompoundList lists 112 suppliers of Uridine in China, United States, Germany, Spain and 12 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Uridine?

Suppliers quote Uridine 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 Uridine

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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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