5-Methoxypyridazin-3(2H)-one
Also known as: 5-Methoxy-3(2H)-pyridazinone, 4-methoxy-1H-pyridazin-6-one, 3(2H)-Pyridazinone, 5-methoxy-, 5-Methoxy-2,3-dihydropyridazin-3-one
5-Methoxypyridazin-3(2H)-one (CAS 123696-01-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2 and a molecular weight of 126.113 g/mol. Key properties include a boiling point of 363ºC at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 173.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 123696-01-5
- Jingsj CID
- J-1055902-1
- Molecular Formula
- C5H6N2O2
- Molecular Weight
- 126.113 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 363ºC at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 173.3ºC |
| Exact Mass | 126.042931 |
| PSA | 54.98000 |
| LogP | -0.65 |
| Refractive Index | 1.559 |
| 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 5-Methoxypyridazin-3(2H)-one?
The CAS number of 5-Methoxypyridazin-3(2H)-one is 123696-01-5.
What are the molecular formula and molecular weight of 5-Methoxypyridazin-3(2H)-one?
5-Methoxypyridazin-3(2H)-one has molecular formula C5H6N2O2 and molecular weight 126.113 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methoxypyridazin-3(2H)-one (CAS 123696-01-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1055902-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.