1-(2-methylpyrimidin-5-yl)ethanone
Also known as: 1-(2-Methyl-5-pyrimidinyl)ethanone, 1-(2-Methyl-5-pyrimidyl)ethanone, 2-Methyl-5-acetylpyriMidine, Ethanone, 1-(2-methyl-5-pyrimidinyl)-, QC-5015
1-(2-methylpyrimidin-5-yl)ethanone (CAS 1225223-42-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8N2O and a molecular weight of 136.151 g/mol. Key properties include a boiling point of 219.9±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 89.0±26.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1225223-42-6
- Jingsj CID
- J-1357389-2
- Molecular Formula
- C7H8N2O
- Molecular Weight
- 136.151 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 219.9±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 89.0±26.3 °C |
| Exact Mass | 136.063660 |
| PSA | 42.85000 |
| LogP | -0.06 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.515 |
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-(2-methylpyrimidin-5-yl)ethanone?
The CAS number of 1-(2-methylpyrimidin-5-yl)ethanone is 1225223-42-6.
What are the molecular formula and molecular weight of 1-(2-methylpyrimidin-5-yl)ethanone?
1-(2-methylpyrimidin-5-yl)ethanone has molecular formula C7H8N2O and molecular weight 136.151 g/mol.
What are the upstream and downstream products of 1-(2-methylpyrimidin-5-yl)ethanone?
For 1-(2-methylpyrimidin-5-yl)ethanone, Upstream Products: 5-Bromo-2-methylpyrimidine.
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-(2-methylpyrimidin-5-yl)ethanone (CAS 1225223-42-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357389-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.