![Molecular structure of 2-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one (CAS 37891-04-6)](/images/chem_structures_svg/426/37891-04-6.svg)
2-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one
Also known as: 2-Mercaptopyrido[2,3-d]pyrimidin-4(3H)-one, 2-Thioxo-2,3-dihydro-1H-pyrido[2,3-d]pyrimidin-4-one, 2-Thioxo-2,3-dihydropyridio[2,3-d]pyrimidin-4(1H)-one, Pyrido[2,3-d]pyrimidin-4(1H)-one, 2,3-dihydro-2-thioxo, 2-Sulfanylidene-1H-pyrido[2,3-d]pyrimidin-4-one, 2-Sulfanylpyrido[2,3-d]pyrimidin-4-ol, Pyrido<3,2-e>-2-thiouracil
2-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one (CAS 37891-04-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5N3OS and a molecular weight of 179.19900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 37891-04-6
- Jingsj CID
- J-1524466-3
- Molecular Formula
- C7H5N3OS
- Molecular Weight
- 179.19900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Exact Mass | 179.01500 |
|---|---|
| PSA | 93.63000 |
| LogP | 0.98070 |
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-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one?
The CAS number of 2-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one is 37891-04-6.
What are the molecular formula and molecular weight of 2-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one?
2-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one has molecular formula C7H5N3OS and molecular weight 179.19900 g/mol.
What are the upstream and downstream products of 2-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one?
For 2-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one, Upstream Products: 2-Aminonicotinic acid, pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione, N-(3-Methylpyridin-2-yl)acetamide; Downstream Products: Pyrido[2,3-d]pyrimidin-4(1H)-one.
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-Thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one (CAS 37891-04-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524466-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.