4,5-二氢-6-甲基哒嗪-3(2H)-酮，CAS 登记号 5157-08-4，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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4,5-Dihydro-6-methylpyridazin-3(2H)-one · CAS 5157-08-4 · C5H8N2O. UNII YQF2AB3MJY.
| CAS Registry Number | 5157-08-4 |
|---|---|
| PubChem CID | 78834 |
| Molecular formula | C5H8N2O |
| IUPAC name | 3-methyl-4,5-dihydro-1H-pyridazin-6-one |
| UNII (FDA) | YQF2AB3MJY |
| Molecular Weight | 112.13 |
|---|---|
| XLogP3 | -0.7 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 112.063662883 |
| Monoisotopic Mass | 112.063662883 |
| Topological Polar Surface Area | 41.5 |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Reported hazard statements | H315 (100%), H319 (100%), H335 (97.1%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
5157-08-4; 3(2H)-Pyridazinone, 4,5-dihydro-6-methyl-; 4,5-Dihydro-6-methyl-3(2H)-pyridazinone; NSC 14585; YQF2AB3MJY; 6-methyl-4,5-dihydro-3(2H)-pyridazinone; UNII-YQF2AB3MJY; NSC 48103; NSC-14585; NSC-48103; DTXSID20199521; RefChem:96486; DTXCID80122012; 6-methyl-4,5-dihydropyridazin-3(2H)-one; 4,5-Dihydro-6-methylpyridazin-3(2H)-one; 6-methyl-2,3,4,5-tetrahydropyridazin-3-one
CAS 5157-08-4; molecular formula C5H8N2O; molecular weight — g/mol.
5157-08-4, 3(2H)-Pyridazinone, 4,5-dihydro-6-methyl-, 4,5-Dihydro-6-methyl-3(2H)-pyridazinone, NSC 14585, YQF2AB3MJY, 6-methyl-4,5-dihydro-3(2H)-pyridazinone.
Hazard statements reported: H315, H319, H335.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.