1-羟基-1H-吡唑，CAS 登记号 81945-73-5，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-hydroxy-1H-pyrazole · CAS 81945-73-5 · C3H4N2O. UNII NS00059733.
| CAS Registry Number | 81945-73-5 |
|---|---|
| PubChem CID | 3016733 |
| Molecular formula | C3H4N2O |
| IUPAC name | 1-hydroxypyrazole |
| UNII (FDA) | NS00059733 |
| Molecular Weight | 84.08 |
|---|---|
| XLogP3 | 0.3 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 84.032362755 |
| Monoisotopic Mass | 84.032362755 |
| Topological Polar Surface Area | 38.1 |
| Heavy Atom Count | 6 |
| Formal Charge | 0 |
| Reported hazard statements | H302 (100%), H315 (100%), H319 (100%), H335 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
81945-73-5; 1-hydroxypyrazole; 1-Hydroxy-1H-pyrazole; 1H-Pyrazole, 1-hydroxy-; EINECS 279-854-3; RefChem:433104; 279-854-3; 1H-pyrazol-1-ol; MFCD11850516; pyrazol-1-ol; 52277-85-7; diazole 1-oxide; N-hydroxypyrazole; pyrazole-1-ol; EINECS 257-808-3; DTXSID40966651
CAS 81945-73-5; molecular formula C3H4N2O; molecular weight — g/mol.
81945-73-5, 1-hydroxypyrazole, 1-Hydroxy-1H-pyrazole, 1H-Pyrazole, 1-hydroxy-, EINECS 279-854-3, RefChem:433104.
Hazard statements reported: H302, H315, H319, H335.
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.