2-Chloro-5-fluoropyrimidin-4(3H)-one
Also known as: 2-Chloro-4-hydroxy-5-fluoropyrimidine, 2-Chloro-5-fluoropyrimidin-4-one, 2-Chloro-5-fluoro-4-pyrimidinol, 2-Chloro-5-fluoro-4(1H)-pyrimidinone, 2-Chloro-5-fluoro-1H-pyrimidin-6-one, 2-chloro-5-fluoro-4-hydroxypyrimidine, 4(3H)-Pyrimidinone, 2-chloro-5-fluoro-
2-Chloro-5-fluoropyrimidin-4(3H)-one (CAS 155-12-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2ClFN2O and a molecular weight of 148.523 g/mol. Key properties include a melting point of 174 °C(dec.), a boiling point of 301.9±22.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 136.4±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 155-12-4
- Jingsj CID
- J-1991698-4
- Molecular Formula
- C4H2ClFN2O
- Molecular Weight
- 148.523 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 174 °C(dec.) |
|---|---|
| Boiling Point | 301.9±22.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 136.4±22.3 °C |
| Exact Mass | 147.983963 |
| PSA | 46.01000 |
| LogP | 0.03 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.559 |
| 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 2-Chloro-5-fluoropyrimidin-4(3H)-one?
The CAS number of 2-Chloro-5-fluoropyrimidin-4(3H)-one is 155-12-4.
What are the molecular formula and molecular weight of 2-Chloro-5-fluoropyrimidin-4(3H)-one?
2-Chloro-5-fluoropyrimidin-4(3H)-one has molecular formula C4H2ClFN2O and molecular weight 148.523 g/mol.
What are the upstream and downstream products of 2-Chloro-5-fluoropyrimidin-4(3H)-one?
For 2-Chloro-5-fluoropyrimidin-4(3H)-one, Upstream Products: 2,4-Dichloro-5-fluoropyrimidine.
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-Chloro-5-fluoropyrimidin-4(3H)-one (CAS 155-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991698-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.