5-Chloropyrimidin-2(1H)-one
Also known as: 5-chloropyrimidin-2-ol, 5-chloro-2-hydroxypyrimidine, 5-chloro-2(1H)-pyrimidinone, 5-chloro-2-pyrimidinone, 5-chloropyrimidin-2-one, 5-chloro-pyrimidine-2-ol, NY 3000, ny3000, 2(1H)-Pyrimidinone, 5-chloro-, EINECS 259-106-2, MFCD00129723
5-Chloropyrimidin-2(1H)-one (CAS 54326-16-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3ClN2O and a molecular weight of 130.532 g/mol. Key properties include a boiling point of 345.2±34.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 162.6±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 54326-16-8
- Jingsj CID
- J-1400284-7
- Molecular Formula
- C4H3ClN2O
- Molecular Weight
- 130.532 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 345.2±34.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 162.6±25.7 °C |
| Exact Mass | 129.993393 |
| PSA | 45.75000 |
| LogP | -0.94 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.593 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-Chloropyrimidin-2(1H)-one?
The CAS number of 5-Chloropyrimidin-2(1H)-one is 54326-16-8.
What are the molecular formula and molecular weight of 5-Chloropyrimidin-2(1H)-one?
5-Chloropyrimidin-2(1H)-one has molecular formula C4H3ClN2O and molecular weight 130.532 g/mol.
What are the upstream and downstream products of 5-Chloropyrimidin-2(1H)-one?
For 5-Chloropyrimidin-2(1H)-one, Downstream Products: 2,5-Dichloropyrimidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chloropyrimidin-2(1H)-one (CAS 54326-16-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1400284-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.