![Molecular structure of 2-(Methylthio)pyrido[4,3-d]pyrimidin-5(6H)-one (CAS 902576-09-4)](/images/chem_structures_svg/292/902576-09-4.svg)
2-(Methylthio)pyrido[4,3-d]pyrimidin-5(6H)-one
Also known as: 2-(methylsulfanyl)-5H,6H-pyrido[4,3-d]pyrimidin-5-one, 2-methylsulfanyl-6H-pyrido[4,3-d]pyrimidin-5-one, Pyrido[4,3-d]pyrimidin-5(6H)-one, 2-(methylthio)-
2-(Methylthio)pyrido[4,3-d]pyrimidin-5(6H)-one (CAS 902576-09-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7N3OS and a molecular weight of 193.22600 g/mol. Key property: a boiling point of 496.0±45.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 902576-09-4
- Jingsj CID
- J-1050829-9
- Molecular Formula
- C8H7N3OS
- Molecular Weight
- 193.22600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 496.0±45.0°C at 760 mmHg |
|---|---|
| Exact Mass | 193.03100 |
| PSA | 84.20000 |
| LogP | 1.45230 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 2-(Methylthio)pyrido[4,3-d]pyrimidin-5(6H)-one?
The CAS number of 2-(Methylthio)pyrido[4,3-d]pyrimidin-5(6H)-one is 902576-09-4.
What are the molecular formula and molecular weight of 2-(Methylthio)pyrido[4,3-d]pyrimidin-5(6H)-one?
2-(Methylthio)pyrido[4,3-d]pyrimidin-5(6H)-one has molecular formula C8H7N3OS and molecular weight 193.22600 g/mol.
What are the upstream and downstream products of 2-(Methylthio)pyrido[4,3-d]pyrimidin-5(6H)-one?
For 2-(Methylthio)pyrido[4,3-d]pyrimidin-5(6H)-one, Upstream Products: Ethyl 4-methyl-2-(methylthio)pyrimidine-5-carboxylate.
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)pyrido[4,3-d]pyrimidin-5(6H)-one (CAS 902576-09-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1050829-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.