Imidazo[1,2-a]pyridin-2(3H)-one
咪唑并[1,2-a]吡啶-2(3H)-酮
Also known as: 2-Oxo-2,3-dihydro-imidazo[1,2-a]pyridine, 2,3-Dihydroimidazo[1,2-a]pyridin-2-one, 3H-imidazo[1,2-a]pyridin-2-one, Imidazo[1,2-a]pyridin-2-one
Imidazo[1,2-a]pyridin-2(3H)-one (CAS 3999-06-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N2O and a molecular weight of 134.135 g/mol. It is also known as 2-Oxo-2,3-dihydro-imidazo[1,2-a]pyridine, 2,3-Dihydroimidazo[1,2-a]pyridin-2-one and 3H-imidazo[1,2-a]pyridin-2-one. Key properties include a boiling point of 238.7±23.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 98.2±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3999-06-2
- Jingsj CID
- J-1494489-9
- Molecular Formula
- C7H6N2O
- Chinese Name
- 咪唑并[1,2-a]吡啶-2(3H)-酮
- Molecular Weight
- 134.135 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 238.7±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 98.2±22.6 °C |
Frequently Asked Questions
What is the CAS number of Imidazo[1,2-a]pyridin-2(3H)-one?
The CAS number of Imidazo[1,2-a]pyridin-2(3H)-one is 3999-06-2.
What are the molecular formula and molecular weight of Imidazo[1,2-a]pyridin-2(3H)-one?
Imidazo[1,2-a]pyridin-2(3H)-one has molecular formula C7H6N2O and molecular weight 134.135 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Imidazo[1,2-a]pyridin-2(3H)-one (CAS 3999-06-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494489-9 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.