6-Mercapto-4(1H)-pyrimidinone
Also known as: 6-mercaptopyrimidin-4(1H)-one, 6-Mercaptopyrimidin-4(3H)-one, 4-sulfanyl-1H-pyrimidin-6-one, 6-sulfanylpyrimidin-4-ol, 6-thioxo-5,6-dihydro-1H-pyrimidin-4-one, 4(1H)-Pyrimidinone, 6-mercapto-, 4(3H)-Pyrimidinone, 6-mercapto-, NSC 43264
6-Mercapto-4(1H)-pyrimidinone (CAS 6311-83-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4N2OS and a molecular weight of 128.152 g/mol. Key properties include a melting point of 247 °C, a boiling point of 231.9±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 94.0±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6311-83-7
- Jingsj CID
- J-36639-2
- Molecular Formula
- C4H4N2OS
- Molecular Weight
- 128.152 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 247 °C |
|---|---|
| Boiling Point | 231.9±50.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 94.0±30.1 °C |
| Exact Mass | 128.004440 |
| PSA | 84.55000 |
| LogP | -0.54 |
| Vapor Pressure | 0.1±0.5 mmHg at 25°C |
| Refractive Index | 1.713 |
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-Mercapto-4(1H)-pyrimidinone?
The CAS number of 6-Mercapto-4(1H)-pyrimidinone is 6311-83-7.
What are the molecular formula and molecular weight of 6-Mercapto-4(1H)-pyrimidinone?
6-Mercapto-4(1H)-pyrimidinone has molecular formula C4H4N2OS and molecular weight 128.152 g/mol.
What are the upstream and downstream products of 6-Mercapto-4(1H)-pyrimidinone?
For 6-Mercapto-4(1H)-pyrimidinone, Downstream Products: 4-Pyrimidinol.
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-Mercapto-4(1H)-pyrimidinone (CAS 6311-83-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36639-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.