Pyrido[3,4-d]pyrimidin-4(3H)-one
吡啶并[3,4-d]嘧啶-4(3H)-酮
Also known as: 1H-pyrido[3,4-d]pyrimidin-4-one, 3H-pyrido[3,4-d]pyrimidin-4-one, pyrido[3,4-d]pyrimidin-4-ol, 3,4-dihydropyrido[3,4-d]pyrimidin-4-one
Pyrido[3,4-d]pyrimidin-4(3H)-one (CAS 19178-25-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5N3O and a molecular weight of 147.134 g/mol. It is also known as 1H-pyrido[3,4-d]pyrimidin-4-one, 3H-pyrido[3,4-d]pyrimidin-4-one and pyrido[3,4-d]pyrimidin-4-ol. Key properties include a melting point of 305℃, a boiling point of 369.4±22.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 177.2±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19178-25-7
- Jingsj CID
- J-1035516-1
- Molecular Formula
- C7H5N3O
- Chinese Name
- 吡啶并[3,4-d]嘧啶-4(3H)-酮
- Molecular Weight
- 147.134 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 305℃ |
|---|---|
| Boiling Point | 369.4±22.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 177.2±22.3 °C |
Frequently Asked Questions
What is the CAS number of Pyrido[3,4-d]pyrimidin-4(3H)-one?
The CAS number of Pyrido[3,4-d]pyrimidin-4(3H)-one is 19178-25-7.
What are the molecular formula and molecular weight of Pyrido[3,4-d]pyrimidin-4(3H)-one?
Pyrido[3,4-d]pyrimidin-4(3H)-one has molecular formula C7H5N3O and molecular weight 147.134 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrido[3,4-d]pyrimidin-4(3H)-one (CAS 19178-25-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1035516-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.