1-乙基-3-甲基-1H-吡唑-5-甲酸，CAS 登记号 50920-65-5，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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1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid · CAS 50920-65-5 · C7H10N2O2. UNII ST45128022.
| CAS Registry Number | 50920-65-5 |
|---|---|
| PubChem CID | 2743794 |
| Molecular formula | C7H10N2O2 |
| IUPAC name | 2-ethyl-5-methylpyrazole-3-carboxylic acid |
| UNII (FDA) | ST45128022 |
| Molecular Weight | 154.17 |
|---|---|
| XLogP3 | 0.8 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 154.074227566 |
| Monoisotopic Mass | 154.074227566 |
| Topological Polar Surface Area | 55.1 |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Reported hazard statements | H302 (93.2%), H315 (11.4%), H319 (11.4%) |
|---|
H302 (93.2%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (11.4%): Causes skin irritation [Warning Skin corrosion/irritation]
1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid; 50920-65-5; DTXSID90372501; RefChem:230299; DTXCID90323533; 624-744-6; 2-ethyl-5-methylpyrazole-3-carboxylic acid; 1-Ethyl-3-methylpyrazole-5-carboxylic acid; MFCD00156147; 1H-Pyrazole-5-carboxylic acid, 1-ethyl-3-methyl-; 2-ethyl-5-methyl-2h-pyrazole-3-carboxylic acid; 2-Ethyl-5-methyl-pyrazole-3-carboxylic acid; SPB 01840; STK346771; FS-1496; CS-0040900
CAS 50920-65-5; molecular formula C7H10N2O2; molecular weight — g/mol.
1-Ethyl-3-methyl-1H-pyrazole-5-carboxylic acid, 50920-65-5, DTXSID90372501, RefChem:230299, DTXCID90323533, 624-744-6.
Hazard statements reported: H302, H315, H319.
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.