5-Methoxypyrimidin-4(3H)-one
5-甲氧基嘧啶-4(3H)-酮
Also known as: 4(3H)-Pyrimidinone, 5-methoxy-, 5-METHOXYPYRIMIDIN-4(3H)-ONE, 5-Methoxypyrimidin-4(1H)-one, 5-Methoxy-4(3H)-pyrimidinone, 4(1H)-Pyrimidinone, 5-methoxy-, 5-methoxy-3H-pyrimidin-4-one, 5-METHOXYPYRIMIDIN-4-OL, 4-hydroxy-5-methoxypyrimidine
5-Methoxypyrimidin-4(3H)-one (CAS 71133-22-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2 and a molecular weight of 126.113 g/mol. It is also known as 4(3H)-Pyrimidinone, 5-methoxy-, 5-METHOXYPYRIMIDIN-4(3H)-ONE and 5-Methoxypyrimidin-4(1H)-one. Key properties include a boiling point of 251.6±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 106.0±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 71133-22-7
- Jingsj CID
- J-1485787-0
- Molecular Formula
- C5H6N2O2
- Chinese Name
- 5-甲氧基嘧啶-4(3H)-酮
- Molecular Weight
- 126.113 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 251.6±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 106.0±21.8 °C |
Frequently Asked Questions
What is the CAS number of 5-Methoxypyrimidin-4(3H)-one?
The CAS number of 5-Methoxypyrimidin-4(3H)-one is 71133-22-7.
What are the molecular formula and molecular weight of 5-Methoxypyrimidin-4(3H)-one?
5-Methoxypyrimidin-4(3H)-one has molecular formula C5H6N2O2 and molecular weight 126.113 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methoxypyrimidin-4(3H)-one (CAS 71133-22-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1485787-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.