1-(2-amino-4-methylpyrimidin-5-yl)ethanone
Also known as: 5-acetyl-2-amino-4-methylpyrimidine, 1-(2-amino-4-methyl-5-pyrimidinyl)ethanone, 2-amino-4-methyl-5-pyrimidyl methyl ketone, ethanone, 1-(2-amino-4-methyl-5-pyrimidinyl)-, 1-(2-amino-4-methylpyrimidin-5-yl)ethan-1-one, 5-acetyl-4-methyl-2-aminopyrimidine
1-(2-amino-4-methylpyrimidin-5-yl)ethanone (CAS 66373-25-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9N3O and a molecular weight of 151.16600 g/mol. Key properties include a melting point of 226-227°C, a boiling point of 356.2ºC at 760 mmHg, a density of 1.2g/cm3 and a flash point of 169.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66373-25-9
- Jingsj CID
- J-19221-2
- Molecular Formula
- C7H9N3O
- Molecular Weight
- 151.16600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 226-227°C |
|---|---|
| Boiling Point | 356.2ºC at 760 mmHg |
| Density | 1.2g/cm3 |
| Flash Point | 169.2ºC |
| Exact Mass | 151.07500 |
| PSA | 68.87000 |
| LogP | 1.15100 |
| Refractive Index | 1.573 |
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-amino-4-methylpyrimidin-5-yl)ethanone?
The CAS number of 1-(2-amino-4-methylpyrimidin-5-yl)ethanone is 66373-25-9.
What are the molecular formula and molecular weight of 1-(2-amino-4-methylpyrimidin-5-yl)ethanone?
1-(2-amino-4-methylpyrimidin-5-yl)ethanone has molecular formula C7H9N3O and molecular weight 151.16600 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-(2-amino-4-methylpyrimidin-5-yl)ethanone (CAS 66373-25-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19221-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.