5-methoxypyrimidin-4(1H)-one
Also known as: 4(1H)-Pyrimidinone, 5-methoxy- (9CI), 4(3H)-pyrimidinone, 5-methoxy-, 5-METHOXYPYRIMIDIN-4-OL, 5-Methoxy-3H-pyrimidin-4-one, 5-Methoxy-4(1H)-pyrimidinone, 5-Methoxy-4(1H)-pyrimidone, 5-Methoxy-4(3H)-pyrimidone, 5-Methoxypyrimidin-4(1H)-one, 5-methoxy-3H-pyrimidin-4-one, 5-methoxy-4(3H)-pyrimidinone
5-methoxypyrimidin-4(1H)-one (CAS 695-87-4) 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. Key properties include a melting point of 210-211℃ (ethanol ), 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.
- 695-87-4
- Jingsj CID
- J-978800-5
- Molecular Formula
- C5H6N2O2
- Molecular Weight
- 126.113 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 210-211℃ (ethanol ) |
|---|---|
| Boiling Point | 251.6±20.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 106.0±21.8 °C |
| Exact Mass | 126.042931 |
| PSA | 54.98000 |
| LogP | -0.95 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.543 |
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-methoxypyrimidin-4(1H)-one?
The CAS number of 5-methoxypyrimidin-4(1H)-one is 695-87-4.
What are the molecular formula and molecular weight of 5-methoxypyrimidin-4(1H)-one?
5-methoxypyrimidin-4(1H)-one has molecular formula C5H6N2O2 and molecular weight 126.113 g/mol.
What are the upstream and downstream products of 5-methoxypyrimidin-4(1H)-one?
For 5-methoxypyrimidin-4(1H)-one, Downstream Products: 5-Methoxy-4-(piperazin-1-yl)pyrimidine, 5-Methoxypyrimidine, 4-Chloro-5-methoxypyrimidine.
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-methoxypyrimidin-4(1H)-one (CAS 695-87-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-978800-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.