4-Chloro-5-methoxypyridazin-3(2H)-one
Also known as: 3(2H)-Pyridazinone, 4-chloro-5-methoxy-, 4-Chloro-2,3-dihydro-5-methoxy-3-oxopyridazine, 4-Chloro-5-methoxy-3(2H)-pyridazinone, 4-chloro-5-methoxy-2,3-dihydropyridazin-3-one
4-Chloro-5-methoxypyridazin-3(2H)-one (CAS 63910-43-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H5ClN2O2 and a molecular weight of 160.55800 g/mol. Key properties include a melting point of 225 °C(dec.) and a density of 1.51 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 63910-43-0
- Jingsj CID
- J-1505616-3
- Molecular Formula
- C5H5ClN2O2
- Molecular Weight
- 160.55800 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 225 °C(dec.) |
|---|---|
| Density | 1.51 g/cm3 |
| Exact Mass | 160.00400 |
| PSA | 54.98000 |
| LogP | 0.43190 |
| Refractive Index | 1.59 |
| 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 4-Chloro-5-methoxypyridazin-3(2H)-one?
The CAS number of 4-Chloro-5-methoxypyridazin-3(2H)-one is 63910-43-0.
What are the molecular formula and molecular weight of 4-Chloro-5-methoxypyridazin-3(2H)-one?
4-Chloro-5-methoxypyridazin-3(2H)-one has molecular formula C5H5ClN2O2 and molecular weight 160.55800 g/mol.
What are the upstream and downstream products of 4-Chloro-5-methoxypyridazin-3(2H)-one?
For 4-Chloro-5-methoxypyridazin-3(2H)-one, Upstream Products: 2-Acetyl-1-tetralone, 4-Mercaptophenol, 4-Aminophenol; Downstream Products: 4-methoxypyridazine, 4-Chloro-5-hydroxy-3(2H)-pyridazinone, 5-Methoxypyridazin-3(2H)-one.
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-Chloro-5-methoxypyridazin-3(2H)-one (CAS 63910-43-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505616-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.