ChemicalBook > CAS DataBase List > 4-Pyrimidinol

4-Pyrimidinol

Product Name
4-Pyrimidinol
CAS No.
4562-27-0
Chemical Name
4-Pyrimidinol
Synonyms
Uraeil;4-Pyrimidinol;2-Deoxyuracil;pyrimidin-4-one;4-Oxypyrimidine;4-Oxopyrimidine;1H-pyrimidin-4-one;Deaminoisocytosine;1H-pyrimidin-6-one;6-Hydroxypyrimidine
CBNumber
CB5500772
Molecular Formula
C4H4N2O
Formula Weight
96.09
MOL File
4562-27-0.mol
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4-Pyrimidinol Property

Melting point:
163-167 °C
Density 
1.28
storage temp. 
2-8°C
solubility 
DMSO (Slightly), Methanol (Very Slightly)
form 
Solid
pka
9.02±0.40(Predicted)
color 
White to Orange to Green
BRN 
609975
InChI
InChI=1S/C4H4N2O/c7-4-1-2-5-3-6-4/h1-3H,(H,5,6,7)
InChIKey
DNCYBUMDUBHIJZ-UHFFFAOYSA-N
SMILES
C1=NC=CC(=O)N1
CAS DataBase Reference
4562-27-0(CAS DataBase Reference)
NIST Chemistry Reference
4(1H)-pyrimidinone(4562-27-0)
EPA Substance Registry System
4(1H)-Pyrimidinone (4562-27-0)
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Safety

Hazard Codes 
Xn
Risk Statements 
36/37/38-40
Safety Statements 
22-24/25-36-26
WGK Germany 
3
RTECS 
UW7350100
TSCA 
Yes
HS Code 
29335990
Toxicity
pic-esc 1 g/L ZAPOAK12,583,1972
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
858064
Product name
4(3H)-Pyrimidinone
Purity
≥98%
Packaging
1g
Price
$42.4
Updated
2023/06/20
Sigma-Aldrich
Product number
56420
Product name
4(3H)-Pyrimidinone
Purity
≥98.0% (NT)
Packaging
5g
Price
$169
Updated
2023/06/20
TCI Chemical
Product number
H1000
Product name
4(3H)-Pyrimidinone
Purity
>98.0%(GC)(T)
Packaging
1g
Price
$26
Updated
2025/07/31
TCI Chemical
Product number
H1000
Product name
4(3H)-Pyrimidinone
Purity
>98.0%(GC)(T)
Packaging
5g
Price
$86
Updated
2025/07/31
Sigma-Aldrich
Product number
858064
Product name
4(3H)-Pyrimidinone
Purity
≥98%
Packaging
10g
Price
$256
Updated
2025/07/31
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4-Pyrimidinol Chemical Properties,Usage,Production

Chemical Properties

Light yellow crystalline

Uses

4(3H)-Pyrimidinone, is a derivative of Pyrimidone, that can be used as a building block for the preparation of many other biologically molecules, such as Metharbital. It has also been shown to present in the GU "wobble" pair.

Safety Profile

Mutation data reported. When heated to decomposition it emits toxic vapors of NOx

Purification Methods

It crystallises from *benzene or ethyl acetate. The picrate has m 164-166o and crystallises from EtOH [Brown et al. J Chem Soc 4035 1955, Beilstein 24 III/IV 171.]

4-Pyrimidinol Preparation Products And Raw materials

Raw materials

Hydrogen peroxide 2-Thiouracil Ethyl acetate Calcium hydroxide

Preparation Products

Risperidone
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4-Pyrimidinol Suppliers

Americas 1 China 147 Europe 2 Germany 2 India 15 Japan 1 Switzerland 1 United Kingdom 11 United States 24 Global 204
China Langchem Inc.
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View Lastest Price from 4-Pyrimidinol manufacturers

Dideu Industries Group Limited
Product
4-Pyrimidinol 4562-27-0
Price
US $1.10/g
Min. Order
1g
Purity
99.00%
Supply Ability
100 Tons
Release date
2022-02-16
Career Henan Chemical Co
Product
4-Pyrimidinol 4562-27-0
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
100KG
Release date
2019-12-30

4562-27-0, 4-PyrimidinolRelated Search:

Sulfadiazine Alloxan Pyrimidine Silver sulfadiazine Starch soluble Uracil 4-Hydroxypyrimidine PIRENPERONE Ritanserin LEUCOPTERIN Tetrahydrobiopterin Isocytosine Fluorocytosine Cytosine ISOXANTHOPTERIN 2,4-Diamino-6-hydroxypyrimidine 7,8-DIHYDRO-L-BIOPTERIN 7,8-Dihydro-7-methylguanosine

  • 4-Pyrimidinol~4-Pyrimidone
  • 1H-pyrimidin-4-one
  • 4(1H)-Pyrimidinone (6CI,8CI,9CI)
  • 4-Pyrimidinol
  • pyrimidin-4-one
  • 4-HYDROXYPYRIMIDINE, 98+%
  • 4-Oxopyrimidine
  • 4-Oxypyrimidine
  • 6-Hydroxypyrimidine
  • Deaminoisocytosine
  • Uraeil
  • 4(6)-Hydroxypyrimidine, 4-Pyrimidinol
  • 2-Deoxyuracil
  • Pyrimidin-4(1H)-one
  • Pyrimidin-4(1H)-one, Pyrimidin-4-ol, 4-Hydroxypyrimidine
  • Pyrimidin-4(3H)-one 98%
  • 1H-pyrimidin-6-one
  • 4(3H)-Pyrimidinone,4(3H)-Pyrimidone, 4-Hydroxypyrimidine, 4-Pyrimidinol
  • PYRIMIDIN-4(3H)-ONE (MFCD00006664)
  • 4-Hydroxypyrimidine 4-Pyrimidinol
  • 4(3<i>H</i>)-PyriMidinone
  • 4(3H)-PyriMidone, 97+%
  • 4-Pyrimidinol(WX649099)
  • 4(3H)-Pyrimidinone&gt
  • 4-Pyrimidinol ISO 9001：2015 REACH
  • 4(3H)-Pyrimidnone, 98%
  • 4562-27-0
  • Building Blocks
  • C4 to C5
  • Chemical Synthesis
  • Heterocyclic Building Blocks
  • Pyrimidines
  • PYRIMIDINE
  • Pyridines, Pyrimidines, Purines and Pteredines