4-巯基-1H-吡唑并[3,4-d]嘧啶半水合物，CAS 登记号 5334-23-6，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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4-Mercapto-1H-pyrazolo[3,4-d]pyrimidine hemihydrate · CAS 5334-23-6 · C5H4N4S. UNII 79F9I2R16M.
| CAS Registry Number | 5334-23-6 |
|---|---|
| PubChem CID | 135445058 |
| Molecular formula | C5H4N4S |
| IUPAC name | 1,7-dihydropyrazolo[5,4-d]pyrimidine-4-thione |
| UNII (FDA) | 79F9I2R16M |
| Molecular Weight | 152.18 |
|---|---|
| XLogP3 | 0 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 152.01566732 |
| Monoisotopic Mass | 152.01566732 |
| Topological Polar Surface Area | 85.2 |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Reported hazard statements | H315 (100%), H319 (100%), H335 (100%) |
|---|
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Tisopurine; 5334-23-6; Thiopurinol; Tisopurina; 4-Mercaptopyrazolo[3,4-d]pyrimidine; Tisopurinum; Exuracid; NSC-1392; 79F9I2R16M; DTXSID90201488; 4-mercaptopyrazolo(3,4-d)pyrimidine; RefChem:190135; DTXCID90123979; M04AA02; 1H,4H,7H-pyrazolo(3,4-d)pyrimidine-4-thione; 226-251-8
CAS 5334-23-6; molecular formula C5H4N4S; molecular weight — g/mol.
Tisopurine, 5334-23-6, Thiopurinol, Tisopurina, 4-Mercaptopyrazolo[3,4-d]pyrimidine, Tisopurinum.
Hazard statements reported: 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.