![Molecular structure of 2,4-dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine (CAS 181374-43-6)](/images/chem_structures_svg/127/181374-43-6.svg)
2,4-dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine
Also known as: 2,4-dichloro-5H,7H,8H-thiopyrano[4,3-d]pyrimidine, 5H-Thiopyrano[4,3-d]pyrimidine, 2,4-dichloro-7,8-dihydro-
2,4-dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine (CAS 181374-43-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6Cl2N2S and a molecular weight of 221.107 g/mol. Key properties include a boiling point of 385.2±42.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 186.8±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 181374-43-6
- Jingsj CID
- J-1500945-7
- Molecular Formula
- C7H6Cl2N2S
- Molecular Weight
- 221.107 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 385.2±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 186.8±27.9 °C |
| Exact Mass | 219.962875 |
| PSA | 51.08000 |
| LogP | 2.09 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.639 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 2,4-dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine?
The CAS number of 2,4-dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine is 181374-43-6.
What are the molecular formula and molecular weight of 2,4-dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine?
2,4-dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine has molecular formula C7H6Cl2N2S and molecular weight 221.107 g/mol.
What are the upstream and downstream products of 2,4-dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine?
For 2,4-dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine, Upstream Products: Dimethyl 3,3'-thiodipropionate, Methyl 4-oxotetrahydro-2H-thiopyran-3-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. "2,4-dichloro-7,8-dihydro-5H-thiopyrano[4,3-d]pyrimidine (CAS 181374-43-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500945-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.