1-(Pyridin-2-yl)piperazin-2-one
Also known as: 1-(2-pyridinyl)-2-piperazinone, 1-(2-pyridyl)piperazin-2-one, 2-piperazinone, 1-(2-pyridinyl)-, 1-pyridin-2-ylpiperazin-2-one
1-(Pyridin-2-yl)piperazin-2-one (CAS 345310-98-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11N3O and a molecular weight of 177.203 g/mol. Key properties include a boiling point of 432.5±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 215.4±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 345310-98-7
- Jingsj CID
- J-1505285-4
- Molecular Formula
- C9H11N3O
- Molecular Weight
- 177.203 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 432.5±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 215.4±25.9 °C |
| Exact Mass | 177.090210 |
| PSA | 45.23000 |
| LogP | -0.84 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.565 |
| 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 1-(Pyridin-2-yl)piperazin-2-one?
The CAS number of 1-(Pyridin-2-yl)piperazin-2-one is 345310-98-7.
What are the molecular formula and molecular weight of 1-(Pyridin-2-yl)piperazin-2-one?
1-(Pyridin-2-yl)piperazin-2-one has molecular formula C9H11N3O and molecular weight 177.203 g/mol.
What are the upstream and downstream products of 1-(Pyridin-2-yl)piperazin-2-one?
For 1-(Pyridin-2-yl)piperazin-2-one, Upstream Products: Tributylphosphine, Di-tert-butyl azodicarboxylate, 2-Bromopyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(Pyridin-2-yl)piperazin-2-one (CAS 345310-98-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505285-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.