3-甲基-4-氧代-2-丁烯酸乙酯，CAS 登记号 41891-38-7，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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ethyl 3-methyl-4-oxo-2-butenoate · CAS 41891-38-7 · C7H10O3. UNII NS00007568.
| CAS Registry Number | 41891-38-7 |
|---|---|
| PubChem CID | 3016304 |
| Molecular formula | C7H10O3 |
| IUPAC name | ethyl 3-methyl-4-oxobut-2-enoate |
| UNII (FDA) | NS00007568 |
| Molecular Weight | 142.15 |
|---|---|
| XLogP3 | 0.6 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 4 |
| Exact Mass | 142.062994177 |
| Monoisotopic Mass | 142.062994177 |
| Topological Polar Surface Area | 43.4 |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Reported hazard statements | H315 (100%), H318 (100%), H412 (100%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H318 (100%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
RefChem:1084867; 41891-38-7; Ethyl 3-methyl-4-oxocrotonate; ethyl 3-methyl-4-oxobut-2-enoate; ethyl 3-formylbut-2-enoate; ethyl 3-methyl-4-oxobutenoate; SCHEMBL1248610; YLFXEUMFBVGYEL-UHFFFAOYSA-N; ethyl 3-methyl-4-oxo-but-2-enoate; AKOS025243551; NS00007568; NS00126957
CAS 41891-38-7; molecular formula C7H10O3; molecular weight — g/mol.
RefChem:1084867, 41891-38-7, Ethyl 3-methyl-4-oxocrotonate, ethyl 3-methyl-4-oxobut-2-enoate, ethyl 3-formylbut-2-enoate, ethyl 3-methyl-4-oxobutenoate.
Hazard statements reported: H315, H318, H412.
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.