HomeMCPWorkbenchSkills
HomeWorkbenchNotificationsMe
llms.txt · MCP GuidePrivacy Policy · Terms of Service · Supportv1.8.0
  1. Home
  2. /Compound

2,4,5,6(1H,3H)-Pyrimidinetetrone, monohydrate

HCID 16723
New noteNew reactionRequest quotes
Print preview
Basic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
Substructure searchFind similar structures

Basic information

CAS
2244-11-3
Standard SMILES
O.O=C1NC(=O)C(=O)C(=O)N1
InChIKey
DSXMTJRUNLATRP-UHFFFAOYSA-N
Molecular formula
C4H2N2O4.H2O
Average molar mass
160.09 g/mol
Monoisotopic mass
160.01202123

Names & identifiers

Preferred name
2,4,5,6(1H,3H)-Pyrimidinetetrone, monohydrate
IUPAC
1,3-diazinane-2,4,5,6-tetrone;hydrate
English name
ALLOXAN MONOHYDRATE
Molecular formula
C4H4N2O5
Molecular weight
160.09

Names & synonyms

2,4,5,6(1H,3H)-Pyrimidinetetrone, monohydrate1,3-diazinane-2,4,5,6-tetrone hydrateDTXSID4074859RefChem:442735DTXCID90366982244-11-3Pyrimidine-2,4,5,6(1H,3H)-tetraone hydrateAlloxan, monohydrate5,6-DioxyuracilAlloxan (hydrate)2,4,5,6-Tetraoxypyrimidinemesoxalylurea, monohydrate
Show more names
Alloxan99%MESOXALYLUREAAlloxan, 98.5%Urea monohydrateALLOXANE DIHYDRATEALLOXAN MONOHYDRATEAlloxan MomohydrateALLOXAN ( HYDRATE) GRLABOTEST-BB LT00138148
mesoxalylcarbamidemonohydrate5, 6-DioxyuracilMFCD00149399Alloxan monohydrate, 98%SCHEMBL344222DS-4661SB575311,3-dihydropyrimidine-2,4,5,6-tetraone, hydrate

Database identifiers

CAS
2244-11-3
PubChem CID
16723
DTXSID
DTXSID4074859
EC Number
607-078-0

Properties

Computed structural properties

Topological polar surface area
93.3 Ų
Hydrogen bond donors
3
Hydrogen bond acceptors
5
Rotatable bonds
0
Heavy atoms
11
Formal charge
0
Complexity
222

Physicochemical properties

Melting point
255 °C · 255 °C (dec.)(lit.)
storage temp.
2 · 2-8°C
solubility
2 O: · H2O: may be hazy yellow
form
Crystalline Powder
color
Off-white to beige-yellow
Water Solubility
Soluble in water, ethanol, acetone, glacial acetic acid and methanol. Slightly soluble in chloroform, petroleum ether, toluene, ethyl acetate and acetic anhydride. Insoluble in ether.
Sensitive
Air Sensitive
Merck
14 · 14,282
BRN
5309394 · 5309394
InChI
InChI=1S/C4H2N2O4.H2O/c7-1-2(8)5-4(10)6-3(1)9;/h(H2,5,6,8,9,10);1H2
InChIKey
DSXMTJRUNLATRP-UHFFFAOYSA-N
SMILES
O=C1C(NC(=O)NC1=O)=O.O
CAS DataBase Reference
2244 · 2244-11-3(CAS DataBase Reference)
FDA UNII
2 AAP9F8B6 · O2AAP9F8B6
EPA Substance Registry System
2 · 2,4,5,6(1H,3H)-Pyrimidinetetrone, monohydrate (2244-11-3)

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H302 (97.8%): Harmful if swallowed [Warning Acute toxicity, oral]

P261, P264, P270, P271, P280, P301+P317, P302+P352, P304+P340, P317, P321, P330, P362+P364, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 46 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 2 items

Chemical: 2,4,5,6(1H,3H)-Pyrimidinetetrone, monohydrate

Alloxan: Does not have an individual approval but may be used under an appropriate group standard

Hazard Classes and CategoriesAcute Tox. 4 (97.8%)

Safety data

PPE
dust mask type N95 (US), Eyeshields, Gloves
wgk
3
tsca
Yes
rtecs
UW0492000
hs_code
29335995
risk_code
20/21/22-36/37/38
Signal word
Warning
Symbol(GHS)
GHS07
hazard_code
Xn,Xi
safety_code
36-26-36/37
Storage Class
11 - Combustible Solids
Hazard statements
H302+H312+H332

Chemistry & industry

Applications · 3 items

Usesspecific cytotoxin (beta pacreatic cell)

UsesCytotoxic compound that causes oxidative base damage to nuclear DNAAlloxan monohydrate is used as a precursor to prepare purple dye murexide. It is also used in research models to induce diabetes and destroy beta cells. Further, it is a strong oxidizing agent and it forms a hemiacetal with its reduced reaction product dialuric acid.

UsesA cytotoxic compound, Alloxan Monohydrate causes oxidative base damage to nuclear DNA.

Upstream & downstream products

Upstream raw materials

Barbituric acidChromium(VI) oxideAcetic acid

Downstream products

6,7-Dichloro-quinoxalin-2-ylamine

Related reactions

23 records
New reaction record
HRID 66590 reaction equation
HRID 66590As reactantuspto-grants-1982_08
HRID 66592 reaction equation
HRID 66592As reactantuspto-grants-1982_08
HRID 66593 reaction equation
HRID 66593As reactantuspto-grants-1982_08
HRID 66594 reaction equation
HRID 66594As reactantuspto-grants-1982_08
HRID 126768 reaction equation
HRID 126768As reactantuspto-grants-1981_03
HRID 580550 reaction equation
HRID 580550As reactantuspto-grants-1988_06
HRID 580552 reaction equation
HRID 580552As reactantuspto-grants-1988_06
HRID 580553 reaction equation
HRID 580553As reactantuspto-grants-1988_06
Page 1 of 3

Compound notes

Loading…

On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
More actions
New noteNew reactionRequest quotes
UNSPSC Code
12352100 · 12352100
NACRES
22 · NA.22
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
302 · H302+H312+H332
Precautionary statements
261 · P261-P264-P280-P301+P312-P302+P352+P312-P304+P340+P312
PPE
95 · dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes
Xn,Xi
Risk Statements
20 · 20/21/22-36/37/38
Safety Statements
36 · 36-26-36/37
WGK Germany
3 · 3
RTECS
492000 · UW0492000
TSCA
Yes
HS Code
29335995 · 29335995
Storage Class
11 · 11 - Combustible Solids
Hazard Classifications
4 DermalAcute · Acute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 Oral
Hazard Classifications
Acute Tox. 4 DermalAcute Tox. 4 InhalationAcute Tox. 4 Oral
Precautionary statements
P261-P264-P280-P301+P312-P302+P352+P312-P304+P340+P312