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Heterocyclic building blocks

Alloxantin

Also known as Uroxine, Uroxin, 5-hydroxy-5-(5-hydroxy-2,4,6-trioxo-1,3-diazinan-5-yl)-1,3-diazinane-2,4,6-trione

CAS 76-24-4Formula C8H6N4O8Molar mass 286.16 g/molEC 200-947-1
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Alloxantin chemical structure, C8H6N4O8, CAS 76-24-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
76-24-4
Formula
C8H6N4O8
Appearance
Rhombic prisms (water+2)
Solubility
SPARINGLY SOL IN COLD WATER, ALCOHOL, ETHER
HS code
293359
Category
Heterocyclic building blocks
Illustrative photo, a shrink wrapped pallet of kraft paper sacks in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Alloxantin?

Plain description, key identifiers and synonyms

alloxantin has been reported in Corbicula japonica.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
5-hydroxy-5-(5-hydroxy-2,4,6-trioxo-1,3-diazinan-5-yl)-1,3-diazinane-2,4,6-trione
CAS number
76-24-4 CAS number cross-checked
EC number
200-947-1
Molecular formula
C8H6N4O8
UNII
LTL3CDV62U
MDL number
MFCD00042797
InChIKey
IWDDXZKCDHOOSF-UHFFFAOYSA-N
InChI
InChI=1S/C8H6N4O8/c13-1-7(19,2(14)10-5(17)9-1)8(20)3(15)11-6(18)12-4(8)16/h19-20H,(H2,9,10,13,14,17)(H2,11,12,15,16,18)
SMILES (canonical and isomeric)
C1(=O)C(C(=O)NC(=O)N1)(C2(C(=O)NC(=O)NC2=O)O)O

Synonyms

  • Uroxine
  • Uroxin
  • 5-hydroxy-5-(5-hydroxy-2,4,6-trioxo-1,3-diazinan-5-yl)-1,3-diazinane-2,4,6-trione
  • 5,5'-Bibarbituric acid, 5,5'-dihydroxy-
  • 5,5'-Dihydroxy-5,5'-bibarbituric acid
  • [5,5'-Bipyrimidine]-2,2',4,4',6,6'(1H,1'H,3H,3'H,5H,5'H)-hexone, 5,5'-dihydroxy-
  • (5,5'-Bipyrimidine)-2,2',4,4',6,6'(1H,1'H,3H,3'H,5H,5'H)-hexone, 5,5'-dihydroxy
  • (5,5'-Bipyrimidine)-2,2',4,4',6,6'(1H,1'H,3H,3'H,5H,5'H)-hexone, 5,5'-dihydroxy-
  • Alloxantin, dihydrate
  • 5,5'-Dihydroxy-5,5'-dibarbituric acid
  • Alloxan dihydrate
  • 5,5'-Dihydroxy-5,5'-bipyrimidinehexaone
  • 5, 5,5'-dihydroxy-
  • [5,2',4,4',6,6'(1H,1'H,3H,3'H,5H,5'H)-hexone, 5,5'-dihydroxy-
  • 5,5'-Dihydroxy[5,5'-bi-1,3-diazinane]-2,2',4,4',6,6'-hexone
  • 5,5'-Dihydroxy-(5,5'-bipyrimidine)-2,2',4,4',6,6'(1H,1'h,3H,3'h,5H,5'h)-hexone
  • 5-hydroxy-5-(5-hydroxy-2,4,6-trioxo-hexahydropyrimidin-5-yl)hexahydropyrimidine-2,4,6-trione

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

Appearance
Rhombic prisms (water+2)exp.
Solubility
SPARINGLY SOL IN COLD WATER, ALCOHOL, ETHERexp.

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
286.16 g/molcalc.
Exact mass
286.0186 Dacalc.
LogP (octanol/water)
-4.82calc.
Topological polar surface area
191 Ųcalc.
Hydrogen bond donors
6calc.
Hydrogen bond acceptors
8calc.
Rotatable bonds
1calc.
Heavy atoms
20calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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=C1NC(=O)C(C2C(=O)NC(=O)NC2=O)C(=O)N1

O=C1NC(=O)C(C2C(=O)NC(=O)NC2=O)C(=O)N1

2 rings, 18 atoms, the [5,5'-Bipyrimidine]-2,2',4,4',6,6'(1H,1'H,3H,3'H,5H,5'H)-hexone ring system.

7 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.

Alloxantin suppliers

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Alloxantin price

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Uses and applications

What the substance is used for, by industry and function

How it is made

Prepd from uric acid: nightingale, org syn coll vol III, 42 (1955), from alloxan monohydrate: tipson, ibid, coll vol IV, 25 (1963).

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive 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 Alloxantin is traded under.

HS 2933.59Indicative HS code

Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring, other

World exports in 2024
$18.4B
+10.5% vs 2023, imports $24.8B
2019 to 2024
Top exporters
  1. Ireland43.6%
  2. Switzerland * partner reported26.3%
  3. China7.9%
Top importers
  1. Slovenia30.3%
  2. United States30.1%
  3. Germany15.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Alloxantin?

alloxantin has been reported in Corbicula japonica.

What is the CAS number of Alloxantin?

The CAS registry number of Alloxantin is 76-24-4.

What is the molecular formula and weight of Alloxantin?

The molecular formula of Alloxantin is C8H6N4O8 and its molar mass is 286.16 g/mol.

What is Alloxantin used for?

Known uses and roles of Alloxantin include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Alloxantin hazardous?

No GHS hazard classification for Alloxantin 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 Alloxantin?

Alloxantin is usually classified under HS code 293359 (Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Alloxantin?

Post a free request on CompoundList and suppliers of Alloxantin will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Alloxantin?

Suppliers quote Alloxantin 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 Alloxantin

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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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