1-甲基-5-氧代-2,5-二氢-1H-吡唑-3-甲酸甲酯，CAS 登记号 51985-95-6，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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methyl 1-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate · CAS 51985-95-6 · C6H8N2O3. UNII HMS1434C22.
| CAS Registry Number | 51985-95-6 |
|---|---|
| PubChem CID | 334058 |
| Molecular formula | C6H8N2O3 |
| IUPAC name | methyl 2-methyl-3-oxo-1H-pyrazole-5-carboxylate |
| UNII (FDA) | HMS1434C22 |
| Molecular Weight | 156.14 |
|---|---|
| XLogP3 | 0 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 156.05349212 |
| Monoisotopic Mass | 156.05349212 |
| Topological Polar Surface Area | 58.6 |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| GHS notification summary | 50% (1 / 2) |
|---|
| GHS notification summary | 50% (1 / 2) |
|---|---|
| Reported hazard statements | H302, H312, H332 (50%), H315 (50%), H319 (50%), H335 (50%) |
This chemical does not meet GHS hazard criteria for 50% (1 of 2) of reports.
H302+H312+H332 (50%): Harmful if swallowed, in contact with skin or if inhaled [Warning Acute toxicity, oral; acute toxicity, dermal; acute toxicity, inhalation]
5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid methyl ester; RefChem:536152; 692-220-4; 51985-95-6; methyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate; MFCD01851055; methyl 2-methyl-3-oxo-1H-pyrazole-5-carboxylate; NSC338308; DTXSID80318978; AKOS006278493; NSC-338308; 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acidmethyl ester; 1H-Pyrazole-3-carboxylic acid, 5-hydroxy-1-methyl-, methyl ester; methyl 5-hydroxy-1-methylpyrazole-3-carboxylate; Methyl 5-hydroxy-1-methyl-pyrazole-3-carboxylate; Maybridge3_001122
CAS 51985-95-6; molecular formula C6H8N2O3; molecular weight — g/mol.
5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid methyl ester, RefChem:536152, 692-220-4, 51985-95-6, methyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate, MFCD01851055.
50% of GHS notifications report no hazard classification (1 of 2).
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.