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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
Molecular Weight:
96.09
MDL Number:
MFCD00006664
MOL File:
4562-27-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 03:51:40

4-Pyrimidinol Properties

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)
FDA UNII K43V90OY4L
NIST Chemistry Reference 4(1H)-pyrimidinone(4562-27-0)
EPA Substance Registry System 4(1H)-Pyrimidinone (4562-27-0)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P280-P301+P312-P302+P352-P305+P351+P338
PPE Eyeshields, Gloves, type N95 (US)
Hazard Codes  Xn
Risk Statements  36/37/38-40
Safety Statements  22-24/25-36-26
WGK Germany  3
RTECS  UW7350100
TSCA  TSCA listed
HS Code  29335990
Storage Class 11 - Combustible Solids
Toxicity pic-esc 1 g/L ZAPOAK12,583,1972
NFPA 704
0
0 0

4-Pyrimidinol price More Price(67)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 858064 4(3H)-Pyrimidinone ≥98% 4562-27-0 1g $42.4 2023-06-20 Buy
Sigma-Aldrich 56420 4(3H)-Pyrimidinone ≥98.0% (NT) 4562-27-0 5g $169 2023-06-20 Buy
TCI Chemical H1000 4(3H)-Pyrimidinone >98.0%(GC)(T) 4562-27-0 1g $24 2026-04-30 Buy
TCI Chemical H1000 4(3H)-Pyrimidinone >98.0%(GC)(T) 4562-27-0 5g $81 2026-04-30 Buy
TRC TRC-P997355-2.5G 4(3H)-Pyrimidinone 4562-27-0 2.5g $154 2026-06-03 Buy
Product number Packaging Price Buy
858064 1g $42.4 Buy
56420 5g $169 Buy
H1000 1g $24 Buy
H1000 5g $81 Buy
TRC-P997355-2.5G 2.5g $154 Buy

4-Pyrimidinol Chemical Properties, Uses, 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.]

51953-17-4
4562-27-0
Synthesis of 4-Pyrimidinol from 4-Hydroxypyrimidine

4-Pyrimidinol Preparation Products And Raw materials

Global Suppliers ( 206)
Supplier Tel Email Country ProdList Advantage
China Langchem Inc. 021-58956006,021-58950017 15800617331 sales@langchem.com China 209 57
Nanjing Zhonghongda Medical Science & Technology Ltd. 17314437686 2321825824@qq.com China 48 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
PharmaBlock Sciences (Nanjing),Inc. 025-86918202 4000255188 sales@pharmablock.com China 5000 55
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
ShangHai DEMO Chemical Co.,Ltd 400-021-7337 2355568890 sales@demochem.com China 2569 57
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Wuhan Chemwish Technology Co., Ltd 86-027-67849912 sales@chemwish.com China 35884 56

View Latest Price from 4-Pyrimidinol manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-Pyrimidinol  pictures 2026-08-20 4-Pyrimidinol
4562-27-0
$1.10 1g 99.00% 100 Tons Dideu Industries Group Limited
4-Pyrimidinol pictures 2019-12-31 4-Pyrimidinol
4562-27-0
$7.00 1KG 99% 100KG Career Henan Chemical Co
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(3H)-PyriMidinone 4(3H)-PyriMidone, 97+% 4-Pyrimidinol(WX649099) 4(3H)-Pyrimidinone> 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