1-Methylpyrimidin-2(1H)-one
Also known as: 1-Methyl-2(1H)-pyrimidinone, 1-Methyl-2-pyrimidinone, 1-Methyl-2-pyrimidone, 2(1H)-Pyrimidinone, 1-methyl-, 1-Methyl-1H-pyrimidin-2-one, 1-methylpyrimidin-2(1H)-one, NSC 193514
1-Methylpyrimidin-2(1H)-one (CAS 3739-81-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O and a molecular weight of 110.11400 g/mol. Key properties include a boiling point of 180.6ºC at 760mmHg, a density of 1.14g/cm3 and a flash point of 63ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3739-81-9
- Jingsj CID
- J-1516624-2
- Molecular Formula
- C5H6N2O
- Molecular Weight
- 110.11400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 180.6ºC at 760mmHg |
|---|---|
| Density | 1.14g/cm3 |
| Flash Point | 63ºC |
| Exact Mass | 110.04800 |
| PSA | 34.89000 |
| Refractive Index | 1.552 |
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 1-Methylpyrimidin-2(1H)-one?
The CAS number of 1-Methylpyrimidin-2(1H)-one is 3739-81-9.
What are the molecular formula and molecular weight of 1-Methylpyrimidin-2(1H)-one?
1-Methylpyrimidin-2(1H)-one has molecular formula C5H6N2O and molecular weight 110.11400 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methylpyrimidin-2(1H)-one (CAS 3739-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1516624-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.