4'-氯-2'-甲基乙酰乙酰苯胺，CAS 登记号 20139-55-3，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'-chloro-2'-methylacetoacetanilide · CAS 20139-55-3 · C11H12ClNO2. UNII HS4JUD6FXL.
| CAS Registry Number | 20139-55-3 |
|---|---|
| PubChem CID | 258549 |
| Molecular formula | C11H12ClNO2 |
| IUPAC name | N-(4-chloro-2-methylphenyl)-3-oxobutanamide |
| UNII (FDA) | HS4JUD6FXL |
| Molecular Weight | 225.67 |
|---|---|
| XLogP3 | 2.4 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 3 |
| Exact Mass | 225.0556563 |
| Monoisotopic Mass | 225.0556563 |
| Topological Polar Surface Area | 46.2 |
| Heavy Atom Count | 15 |
| Formal Charge | 0 |
| Reported hazard statements | H302 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
4'-Chloro-2'-methylacetoacetanilide; n-(4-chloro-2-methylphenyl)-3-oxobutanamide; Butanamide, N-(4-chloro-2-methylphenyl)-3-oxo-; o-Acetoacetotoluidide, 4'-chloro-; Acetoacet-4-chloro-2-methylanilide; 1-Acetoacetylamino-2-methyl-4-chlorobenzene; EINECS 243-540-4; NSC 87579; BRN 2731424; Butyranilide, 4'-chloro-2'-methyl-3-oxo-; o-ACETOACETANISIDIDE, 4'-CHLORO-; DTXSID2051843; ODFRAIZRJMUPCP-UHFFFAOYSA-; 3-12-00-01918 (Beilstein Handbook Reference); RefChem:570708; DTXCID3030399
CAS 20139-55-3; molecular formula C11H12ClNO2; molecular weight — g/mol.
4'-Chloro-2'-methylacetoacetanilide, n-(4-chloro-2-methylphenyl)-3-oxobutanamide, Butanamide, N-(4-chloro-2-methylphenyl)-3-oxo-, o-Acetoacetotoluidide, 4'-chloro-, Acetoacet-4-chloro-2-methylanilide, 1-Acetoacetylamino-2-methyl-4-chlorobenzene.
Hazard statements reported: H302.
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.