2-Amino-5-fluoropyrimidin-4(1H)-one
2-氨基-5-氟-1H-嘧啶-4-酮
Also known as: 5-Fluoroisocytosine, 2-Amino-5-fluoro-4(1H)-pyrimidinone, 2-Amino-5-fluoropyrimidin-4(3H)-one, 2-amino-5-fluoro-4-hydroxypyrimidine, 4(1H)-Pyrimidinone, 2-amino-5-fluoro-, 2-amino-5-fluoro-3H-pyrimidin-4-one
2-Amino-5-fluoropyrimidin-4(1H)-one (CAS 1683-86-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4FN3O and a molecular weight of 129.092 g/mol. It is also known as 5-Fluoroisocytosine, 2-Amino-5-fluoro-4(1H)-pyrimidinone and 2-Amino-5-fluoropyrimidin-4(3H)-one. Key properties include a boiling point of 211.9±50.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 82.0±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1683-86-9
- Jingsj CID
- J-1124251-6
- Molecular Formula
- C4H4FN3O
- Chinese Name
- 2-氨基-5-氟-1H-嘧啶-4-酮
- Molecular Weight
- 129.092 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 211.9±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 82.0±30.1 °C |
Frequently Asked Questions
What is the CAS number of 2-Amino-5-fluoropyrimidin-4(1H)-one?
The CAS number of 2-Amino-5-fluoropyrimidin-4(1H)-one is 1683-86-9.
What are the molecular formula and molecular weight of 2-Amino-5-fluoropyrimidin-4(1H)-one?
2-Amino-5-fluoropyrimidin-4(1H)-one has molecular formula C4H4FN3O and molecular weight 129.092 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Amino-5-fluoropyrimidin-4(1H)-one (CAS 1683-86-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1124251-6 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.