3-甲基吡唑-5-甲酸乙酯，CAS 登记号 4027-57-0，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，下游主要用于染料及颜料。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-methylpyrazole-5-carboxylate · CAS 4027-57-0 · C7H10N2O2. UNII 55U2A7EN9X.
| CAS Registry Number | 4027-57-0 |
|---|---|
| PubChem CID | 77645 |
| Molecular formula | C7H10N2O2 |
| IUPAC name | ethyl 5-methyl-1H-pyrazole-3-carboxylate |
| UNII (FDA) | 55U2A7EN9X |
| Molecular Weight | 154.17 |
|---|---|
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 3 |
| Exact Mass | 154.074227566 |
| Monoisotopic Mass | 154.074227566 |
| Topological Polar Surface Area | 55 |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| GHS notification summary | 25% (1 / 4) |
|---|
| GHS notification summary | 25% (1 / 4) |
|---|---|
| Reported hazard statements | H302, H312, H332 (25%), H315 (75%), H319 (75%), H335 (75%) |
This chemical does not meet GHS hazard criteria for 25% (1 of 4) of reports.
H302+H312+H332 (25%): Harmful if swallowed, in contact with skin or if inhaled [Warning Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation]
Ethyl 5-methyl-1H-pyrazole-3-carboxylate; EINECS 223-702-0; DTXSID50193259; NSC 44006; NSC 62433; RefChem:595815; DTXCID10115750; 223-702-0; 4027-57-0; Ethyl 3-methyl-1H-pyrazole-5-carboxylate; Ethyl 3-methylpyrazole-5-carboxylate; 1226862-09-4; 1H-Pyrazole-3-carboxylic acid, 5-methyl-, ethyl ester; 5-Methyl-1H-pyrazole-3-carboxylic acid ethyl ester; MFCD00052514; 5-Methyl-2H-pyrazole-3-carboxylic acid ethyl ester
CAS 4027-57-0; molecular formula C7H10N2O2; molecular weight — g/mol.
Ethyl 5-methyl-1H-pyrazole-3-carboxylate, EINECS 223-702-0, DTXSID50193259, NSC 44006, NSC 62433, RefChem:595815.
25% of GHS notifications report no hazard classification (1 of 4).
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.