![Molecular structure of 9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 663619-90-7)](/images/chem_structures_svg/051/663619-90-7.svg)
9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Also known as: 4H-Pyrido[1,2-a]pyrimidin-4-one, 9-bromo-2-hydroxy-7-methyl-, 9-bromo-2-hydroxy-7-methylpyrido[1,2-a]pyrimidin-4-one, 9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, 9-Bromo-2-hydroxy-7-methyl-pyrido[1,2-a]pyrimidin-4-one, 7-methyl-2-hydroxy-9-bromopyrido[1,2-a]pyrimidin-4-one
9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 663619-90-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7BrN2O2 and a molecular weight of 255.06800 g/mol. Key properties include a boiling point of 377.1ºC at 760 mmHg, a density of 1.79 and a flash point of 181.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 663619-90-7
- Jingsj CID
- J-857849-2
- Molecular Formula
- C9H7BrN2O2
- Molecular Weight
- 255.06800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 377.1ºC at 760 mmHg |
|---|---|
| Density | 1.79 |
| Flash Point | 181.8ºC |
| Exact Mass | 253.96900 |
| PSA | 54.60000 |
| LogP | 1.47100 |
| Refractive Index | 1.7 |
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 9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one?
The CAS number of 9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one is 663619-90-7.
What are the molecular formula and molecular weight of 9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one?
9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one has molecular formula C9H7BrN2O2 and molecular weight 255.06800 g/mol.
What are the upstream and downstream products of 9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one?
For 9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, Upstream Products: 2-Amino-3-bromo-5-methylpyridine, Malonyl chloride, Diethyl malonate; Downstream Products: 9-Bromo-7-methyl-2-(4-morpholinyl)-4H-pyrido[1,2-a]pyrimidin-4-one, 7-methyl-2-(morpholin-4-yl)-9-[1-(phenylamino)ethyl]pyrido[1,2-a]pyrimidin-4-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. "9-bromo-2-hydroxy-7-methyl-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 663619-90-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-857849-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.