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
| 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) | ![]() 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 |
|
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 |
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.]
4-Pyrimidinol Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | 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 | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-08-20 | 4-Pyrimidinol
4562-27-0
|
$1.10 | 1g | 99.00% | 100 Tons | Dideu Industries Group Limited | |
![]() |
2019-12-31 | 4-Pyrimidinol
4562-27-0
|
$7.00 | 1KG | 99% | 100KG | Career Henan Chemical Co |
-

- 4-Pyrimidinol
4562-27-0
- $1.10
- 99.00%
- Dideu Industries Group Limited
-

- 4-Pyrimidinol
4562-27-0
- $7.00
- 99%
- Career Henan Chemical Co







