2-(Methylthio)pyrimidine-4,6(1H,5H)-dione
Also known as: 4,6-Dihydroxy-2-(methylthio)pyrimidine, 4,6-Dihydroxy-2-methylmercaptopyrimidine, 2-Methylmercaptobarbituric acid, 2-Methylthio-4,6-pyrimidinediol, 2-(Methylsulfanyl)pyrimidine-4,6(1H,5H)-dione, 2-(Methylsulfanyl)-1H-pyrimidin-4,6-dione, S-Methylthiobarbituric acid, 4,6(1H,5H)-Pyrimidinedione, 2-(methylthio)-, 6-Hydroxy-2-(methylsulfanyl)-4(1H)-pyrimidinone
2-(Methylthio)pyrimidine-4,6(1H,5H)-dione (CAS 29639-68-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2S and a molecular weight of 158.178 g/mol. Key properties include a melting point of >300ºC, a boiling point of 404.5±25.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 198.5±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 29639-68-7
- Jingsj CID
- J-1500867-0
- Molecular Formula
- C5H6N2O2S
- Molecular Weight
- 158.178 g/mol
- Category
- Pharma Intermediates
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC |
|---|---|
| Boiling Point | 404.5±25.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 198.5±23.2 °C |
| Exact Mass | 158.014999 |
| PSA | 91.54000 |
| LogP | -0.57 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.679 |
Frequently Asked Questions
What is the CAS number of 2-(Methylthio)pyrimidine-4,6(1H,5H)-dione?
The CAS number of 2-(Methylthio)pyrimidine-4,6(1H,5H)-dione is 29639-68-7.
What are the molecular formula and molecular weight of 2-(Methylthio)pyrimidine-4,6(1H,5H)-dione?
2-(Methylthio)pyrimidine-4,6(1H,5H)-dione has molecular formula C5H6N2O2S and molecular weight 158.178 g/mol.
What are the upstream and downstream products of 2-(Methylthio)pyrimidine-4,6(1H,5H)-dione?
For 2-(Methylthio)pyrimidine-4,6(1H,5H)-dione, Upstream Products: iodomethane, 2-Thiobarbituric acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(Methylthio)pyrimidine-4,6(1H,5H)-dione (CAS 29639-68-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500867-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.