6-Chloropyrimidin-4(3H)-one
Also known as: 4-Chloro-6-hydroxypyrimidine, 6-Chloro-4-pyrimidinol, 6-Chloropyrimidin-4-ol, 6-Chloro-4(1H)-pyrimidinone, 6-Chloro-3,4-dihydro-4-oxopyrimidine, NSC 618279
6-Chloropyrimidin-4(3H)-one (CAS 4765-77-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3ClN2O and a molecular weight of 130.532 g/mol. Key properties include a melting point of 194-195ºC, a boiling point of 262.8±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 112.7±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4765-77-9
- Jingsj CID
- J-1403943-1
- Molecular Formula
- C4H3ClN2O
- Molecular Weight
- 130.532 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 194-195ºC |
|---|---|
| Boiling Point | 262.8±20.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 112.7±21.8 °C |
| Exact Mass | 129.993393 |
| PSA | 46.01000 |
| LogP | 0.00 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.593 |
| Storage Conditions | Refrigerator |
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 6-Chloropyrimidin-4(3H)-one?
The CAS number of 6-Chloropyrimidin-4(3H)-one is 4765-77-9.
What are the molecular formula and molecular weight of 6-Chloropyrimidin-4(3H)-one?
6-Chloropyrimidin-4(3H)-one has molecular formula C4H3ClN2O and molecular weight 130.532 g/mol.
What are the upstream and downstream products of 6-Chloropyrimidin-4(3H)-one?
For 6-Chloropyrimidin-4(3H)-one, Upstream Products: 4,6-Dichloropyrimidine, 4-Chloro-6-methoxypyrimidine; Downstream Products: 5,6-dichloropyrimidin-4-ol, 6-Chloro-3-methylpyrimidin-4(3H)-one, N-butyl-6-chloropyrimidin-4-amine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6-Chloropyrimidin-4(3H)-one (CAS 4765-77-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1403943-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.