![Molecular structure of 2,8-Dichloropyrimido[5,4-d]pyrimidine (CAS 189747-34-0)](/images/chem_structures_svg/225/189747-34-0.svg)
2,8-Dichloropyrimido[5,4-d]pyrimidine
Also known as: 2,8-dichloro-[1,3]diazino[5,4-d]pyrimidine, pyrimido[5,4-d]pyrimidine, 2,8-dichloro-
2,8-Dichloropyrimido[5,4-d]pyrimidine (CAS 189747-34-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H2Cl2N4 and a molecular weight of 201.013 g/mol. Key properties include a boiling point of 310.3±35.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 170.4±11.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 189747-34-0
- Jingsj CID
- J-1511457-5
- Molecular Formula
- C6H2Cl2N4
- Molecular Weight
- 201.013 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 310.3±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 170.4±11.5 °C |
| Exact Mass | 199.965652 |
| PSA | 51.56000 |
| LogP | 0.38 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.695 |
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 2,8-Dichloropyrimido[5,4-d]pyrimidine?
The CAS number of 2,8-Dichloropyrimido[5,4-d]pyrimidine is 189747-34-0.
What are the molecular formula and molecular weight of 2,8-Dichloropyrimido[5,4-d]pyrimidine?
2,8-Dichloropyrimido[5,4-d]pyrimidine has molecular formula C6H2Cl2N4 and molecular weight 201.013 g/mol.
What are the upstream and downstream products of 2,8-Dichloropyrimido[5,4-d]pyrimidine?
For 2,8-Dichloropyrimido[5,4-d]pyrimidine, Upstream Products: Ethyl 5-amino-2-chloropyrimidine-4-carboxylate, 6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-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. "2,8-Dichloropyrimido[5,4-d]pyrimidine (CAS 189747-34-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511457-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.