4-羟基-6-巯基吡唑并[3,4-d]嘧啶，CAS 登记号 24521-76-4，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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4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine · CAS 24521-76-4 · C5H4N4OS. UNII NS00027681.
| CAS Registry Number | 24521-76-4 |
|---|---|
| PubChem CID | 135474990 |
| Molecular formula | C5H4N4OS |
| IUPAC name | 6-sulfanylidene-1,7-dihydropyrazolo[5,4-d]pyrimidin-4-one |
| UNII (FDA) | NS00027681 |
| Molecular Weight | 168.18 |
|---|---|
| XLogP3 | -0.3 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 168.01058194 |
| Monoisotopic Mass | 168.01058194 |
| Topological Polar Surface Area | 102 |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Reported hazard statements | H302 (100%), H315 (97.4%), H319 (97.4%), H335 (97.4%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (97.4%): Causes skin irritation [Warning Skin corrosion/irritation]
4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine; 4-Hydroxy-6-mercaptopyrazolo(3,4-d)pyrimidine; RefChem:73405; 24521-76-4; 6-MERCAPTO-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-OL; 6-Mercapto-4-hydroxy-1H-pyrazolo[3,4-d]pyrimidine; 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5,6,7-tetrahydro-6-thioxo-; 4-hydroxy-6-mercapto-1H-pyrazolo[3,4-d]pyrimidine; MFCD00022782; 6-sulfanyl-1,2-dihydropyrazolo[3,4-d]pyrimidin-4-one; 1,5,6,7-Tetrahydro-6-thioxo-4H-pyrazolo(3,4-d)pyrimidin-4-one; 6-mercapto-1,5-dihydro-4{H}-pyrazolo[3,4-{d}]pyrimidin-4-one; F2135-0106; NSC 1391; 1,5,6,7-Tetrahydro-6-thioxo-4H-pyrazolo[3,4-d]pyrimidin-4-one; NSC 1391;; NSC1391
CAS 24521-76-4; molecular formula C5H4N4OS; molecular weight — g/mol.
4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine, 4-Hydroxy-6-mercaptopyrazolo(3,4-d)pyrimidine, RefChem:73405, 24521-76-4, 6-MERCAPTO-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-OL, 6-Mercapto-4-hydroxy-1H-pyrazolo[3,4-d]pyrimidine.
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.