吡唑-3-甲醛，CAS 登记号 3920-50-1，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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Pyrazole-3-Carbaldehyde · CAS 3920-50-1 · C4H4N2O. UNII Z234896951.
| CAS Registry Number | 3920-50-1 |
|---|---|
| PubChem CID | 12218383 |
| Molecular formula | C4H4N2O |
| IUPAC name | 1H-pyrazole-5-carbaldehyde |
| UNII (FDA) | Z234896951 |
| Molecular Weight | 96.09 |
|---|---|
| XLogP3 | 0 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 96.032362755 |
| Monoisotopic Mass | 96.032362755 |
| Topological Polar Surface Area | 45.8 |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Reported hazard statements | H302 (95.7%), H315 (100%), H318 (95.7%), H335 (97.8%) |
|---|
H302 (95.7%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
1H-Pyrazole-3-carbaldehyde; 3920-50-1; DTXSID10959979; RefChem:438973; DTXCID601387849; 630-982-1; 1H-pyrazole-5-carbaldehyde; 948552-36-1; 1H-Pyrazole-5-carboxaldehyde; Pyrazole-3-carboxaldehyde; 1H-Pyrazole-3-carboxaldehyde; 3-Pyrazolecarboxaldehyde; 2H-Pyrazole-3-carbaldehyde; 1H-Pyrazole-3-carbaldehyde,dimer; 209002-03-9; 3-formylpyrazole
CAS 3920-50-1; molecular formula C4H4N2O; molecular weight — g/mol.
1H-Pyrazole-3-carbaldehyde, 3920-50-1, DTXSID10959979, RefChem:438973, DTXCID601387849, 630-982-1.
Hazard statements reported: H302, H315, H318, 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.