![Molecular structure of 2-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 27420-41-3)](/images/chem_structures_svg/339/27420-41-3.svg)
2-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one
Also known as: 2H-Pyrido[1,2-a]pyrimidine-2,4(3H)-dione, 4-hydroxypyrido[1,2-a]pyrimidin-2-one, pyrido[1,2-a]pyrimidine-2,4-dione, 2-Hydroxypyrido[1,2-a]pyrimidin-4-one, AURORA KA-3771
2-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 27420-41-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O2 and a molecular weight of 162.14500 g/mol. Key properties include a boiling point of 320.6ºC at 760mmHg, a density of 1.41g/cm3 and a flash point of 147.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 27420-41-3
- Jingsj CID
- J-1585202-5
- Molecular Formula
- C8H6N2O2
- Molecular Weight
- 162.14500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 320.6ºC at 760mmHg |
|---|---|
| Density | 1.41g/cm3 |
| Flash Point | 147.7ºC |
| Exact Mass | 162.04300 |
| PSA | 54.60000 |
| LogP | 0.40010 |
| Vapor Pressure | 2.54E-05mmHg at 25°C |
| Refractive Index | 1.676 |
| Storage Conditions | 2-8°C |
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-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one?
The CAS number of 2-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one is 27420-41-3.
What are the molecular formula and molecular weight of 2-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one?
2-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one has molecular formula C8H6N2O2 and molecular weight 162.14500 g/mol.
What are the upstream and downstream products of 2-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one?
For 2-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one, Upstream Products: 1-Phenyl-3-(2-pyridyl)-2-thiourea, Malonyl chloride, 2-Aminopyridine; Downstream Products: 1H-Pyrrolo[2,3-b]pyridine-2,3-dione, 2-Chloro-4H-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. "2-Hydroxy-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 27420-41-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1585202-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.