2(1H)-Pyrimidinone
Also known as: 2-Hydroxypyrimidine, 2-Oxopyrimidine, 2-Pyrimidinol, 2-Pyrimidinone, 4-Deoxyuracil, Pyrimidin-2(1H)-one, Pyrimidin-2-ol, 1H-pyrimidin-2-one, pyrimidin-2-one, 2-oxo-1,2-dihydropyrimidine
2(1H)-Pyrimidinone (CAS 557-01-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4N2O and a molecular weight of 96.087 g/mol. Key properties include a boiling point of 309.2±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 140.8±23.2 °C. It is listed by 1 supplier, from 14.32 to 14.32 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 557-01-7
- Jingsj CID
- J-1077482-9
- Molecular Formula
- C4H4N2O
- Molecular Weight
- 96.087 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99% 25g | ¥358.00 | $2.14 /gBest ¥14.32/g CNY | CN China MOQ 25g | |
Made to Order | 99% 100g | ¥1,432.00 | $2.14 /g ¥14.32/g CNY | CN China MOQ 100g |
Physicochemical Properties
| Boiling Point | 309.2±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 140.8±23.2 °C |
| Exact Mass | 96.032364 |
| PSA | 45.75000 |
| LogP | -1.76 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.568 |
Frequently Asked Questions
What is the CAS number of 2(1H)-Pyrimidinone?
The CAS number of 2(1H)-Pyrimidinone is 557-01-7.
What are the molecular formula and molecular weight of 2(1H)-Pyrimidinone?
2(1H)-Pyrimidinone has molecular formula C4H4N2O and molecular weight 96.087 g/mol.
Which suppliers offer 2(1H)-Pyrimidinone?
1 supplier(s) listed; reference unit price ¥14.32–14.32 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2(1H)-Pyrimidinone (CAS 557-01-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1077482-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.