![Molecular structure of 6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one (CAS 189747-31-7)](/images/chem_structures_svg/349/189747-31-7.svg)
6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one
Also known as: 6-chloro-1H-pyrimido[5,4-d]pyrimidin-4-one, 6-chloropyrimido[5,4-d]pyrimidin-4(1H)-one, pyrimido[5,4-d]pyrimidin-4(3H)-one, 6-chloro-, qc-5627
6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one (CAS 189747-31-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3ClN4O and a molecular weight of 182.56700 g/mol. Key properties include a boiling point of 458.567ºC at 760 mmHg, a density of 1.872g/cm3 and a flash point of 231.133ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 189747-31-7
- Jingsj CID
- J-1080914-0
- Molecular Formula
- C6H3ClN4O
- Molecular Weight
- 182.56700 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 458.567ºC at 760 mmHg |
|---|---|
| Density | 1.872g/cm3 |
| Flash Point | 231.133ºC |
| Exact Mass | 182.00000 |
| PSA | 71.53000 |
| LogP | 0.36650 |
| Vapor Pressure | 0mmHg at 25°C |
| Refractive Index | 1.829 |
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 6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one?
The CAS number of 6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one is 189747-31-7.
What are the molecular formula and molecular weight of 6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one?
6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one has molecular formula C6H3ClN4O and molecular weight 182.56700 g/mol.
What are the upstream and downstream products of 6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one?
For 6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one, Upstream Products: Diethoxymethyl acetate, Ethyl 5-amino-2-chloropyrimidine-4-carboxylate; Downstream Products: 2,8-Dichloropyrimido[5,4-d]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. "6-Chloropyrimido[5,4-d]pyrimidin-4(3H)-one (CAS 189747-31-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1080914-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.