5-Methyl-2-(methylthio)pyrimidin-4(3H)-one
Also known as: 2-(Methylthio)-5-methylpyrimidine-4(1H)-one, 2-(methylthio)-5-methylpyrimidin-4(1H)-one, 2-methylthio-5-methyl-4-pyrimidone, 4(1H)-Pyrimidinone,5-methyl-2-(methylthio)-, 4(3H)-Pyrimidinone, 5-methyl-2-(methylthio)-, 4-Hydroxy-5-methyl-2-(methylthio)pyrimidine, 5-Methyl-2-(Methylthio)pyrimidin-4(3H)-one, 5-Methyl-2-methylthio-4(1H)-pyrimidinone, 5-methyl-2-(methylsulfanyl)pyrimidin-4(3H)-one, 5-methyl-2-(methylthio)pyrimidin-4(1H)-one, 5-methyl-2-methylsulfanyl-1H-pyrimidin-4-one
5-Methyl-2-(methylthio)pyrimidin-4(3H)-one (CAS 20651-30-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2OS and a molecular weight of 156.206 g/mol. Key property: a density of 1.3±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20651-30-3
- Jingsj CID
- J-1518876-8
- Molecular Formula
- C6H8N2OS
- Molecular Weight
- 156.206 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.3±0.1 g/cm3 |
|---|---|
| Exact Mass | 156.035736 |
| PSA | 71.05000 |
| LogP | 0.85 |
| Refractive Index | 1.619 |
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 5-Methyl-2-(methylthio)pyrimidin-4(3H)-one?
The CAS number of 5-Methyl-2-(methylthio)pyrimidin-4(3H)-one is 20651-30-3.
What are the molecular formula and molecular weight of 5-Methyl-2-(methylthio)pyrimidin-4(3H)-one?
5-Methyl-2-(methylthio)pyrimidin-4(3H)-one has molecular formula C6H8N2OS and molecular weight 156.206 g/mol.
What are the upstream and downstream products of 5-Methyl-2-(methylthio)pyrimidin-4(3H)-one?
For 5-Methyl-2-(methylthio)pyrimidin-4(3H)-one, Upstream Products: Thiothymine, iodomethane, Ethyl 2-formylpropionate; Downstream Products: 5-methyl-2-((4-(2-(pyrrolidin-1-yl)ethoxy)phenyl)amino)pyrimidin-4(3H)-one, 4-Chloro-5-methyl-2-(methylthio)pyrimidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methyl-2-(methylthio)pyrimidin-4(3H)-one (CAS 20651-30-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518876-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.