6-Ethyl-5-fluoropyrimidin-4(3H)-one
Also known as: 4-Ethyl-5-fluoro-6-hydroxypyrimidine, 6-Ethyl-5-fluoropyrimidin-4-one, 6-Ethyl-5-fluoro-4(1H)-pyrimidinone, 6-Ethyl-5-fluoro-pyrimidin-4-ol, 4(1H)-Pyrimidinone, 6-ethyl-5-fluoro-, 4(3H)-Pyrimidinone, 6-ethyl-5-fluoro-, 4-Ethyl-5 fluoro-6-hydroxypirimidine, 4-hydroxy-5-fluoro-6-ethylpyrimidine, 6-Ethyl-5-fluoro-4-pyrimidinol, 6-Ethyl-5-fluoropyrimidin-4(1H)-one, 6-ethyl-5-fluoro-1H-pyrimidin-4-one, Voriconazole Impurity 1, Voriconazole Related Compound 7, MFCD08063343, EINECS 422-460-5
6-Ethyl-5-fluoropyrimidin-4(3H)-one (CAS 137234-87-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7FN2O and a molecular weight of 142.131 g/mol. Key properties include a melting point of 120-126°C, a boiling point of 180.724ºC at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 63.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 137234-87-8
- Jingsj CID
- J-1359641-3
- Molecular Formula
- C6H7FN2O
- Molecular Weight
- 142.131 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 120-126°C |
|---|---|
| Boiling Point | 180.724ºC at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 63.1ºC |
| Exact Mass | 142.054245 |
| PSA | 46.01000 |
| LogP | -0.33 |
| Vapor Pressure | 0.883mmHg at 25°C |
| Refractive Index | 1.541 |
| 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 6-Ethyl-5-fluoropyrimidin-4(3H)-one?
The CAS number of 6-Ethyl-5-fluoropyrimidin-4(3H)-one is 137234-87-8.
What are the molecular formula and molecular weight of 6-Ethyl-5-fluoropyrimidin-4(3H)-one?
6-Ethyl-5-fluoropyrimidin-4(3H)-one has molecular formula C6H7FN2O and molecular weight 142.131 g/mol.
What are the upstream and downstream products of 6-Ethyl-5-fluoropyrimidin-4(3H)-one?
For 6-Ethyl-5-fluoropyrimidin-4(3H)-one, Upstream Products: 2-Chloro-6-ethyl-5-fluoro-4-hydroxypyrimidine ammonium salt, Benzyl bromide, 2,4-dichloro-6-ethyl-5-fluoropyrimidine; Downstream Products: 6-(1-Bromoethyl)-4-chloro-5-fluoropyrimidine, rac-6-Chloro Voriconazole, Voriconazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6-Ethyl-5-fluoropyrimidin-4(3H)-one (CAS 137234-87-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359641-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.