4,5-Dihydro-6-methylpyridazin-3(2H)-one
Also known as: 3(2H)-Pyridazinone, 4,5-dihydro-6-methyl-, 4,5-Dihydro-6-methyl-3(2H)-pyridazinone, 6-Methyl-4,5-dihydro-3(2H)-pyridazinone, 6-Methyl-4,5-dihydropyridazin-3(2H)-one, 6-Methyl-2,3,4,5-tetrahydropyridazin-3-one, 6-Methyl-4,5-dihydro-3-pyridazone, AKOS BBS-00008246, MFCD00006455
4,5-Dihydro-6-methylpyridazin-3(2H)-one (CAS 5157-08-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H8N2O and a molecular weight of 112.130 g/mol. Key properties include a melting point of 102-104 ºC and a density of 1.2±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5157-08-4
- Jingsj CID
- J-1990508-9
- Molecular Formula
- C5H8N2O
- Molecular Weight
- 112.130 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 102-104 ºC |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Exact Mass | 112.063660 |
| PSA | 41.46000 |
| LogP | -1.71 |
| Refractive Index | 1.577 |
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 4,5-Dihydro-6-methylpyridazin-3(2H)-one?
The CAS number of 4,5-Dihydro-6-methylpyridazin-3(2H)-one is 5157-08-4.
What are the molecular formula and molecular weight of 4,5-Dihydro-6-methylpyridazin-3(2H)-one?
4,5-Dihydro-6-methylpyridazin-3(2H)-one has molecular formula C5H8N2O and molecular weight 112.130 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. "4,5-Dihydro-6-methylpyridazin-3(2H)-one (CAS 5157-08-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990508-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.