3-甲基-1-(4-磺基苯基)-2-吡唑啉-5-酮，CAS 登记号 89-36-1，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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3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one · CAS 89-36-1 · C10H10N2O4S. UNII NS00003586.
| CAS Registry Number | 89-36-1 |
|---|---|
| PubChem CID | 66638 |
| Molecular formula | C10H10N2O4S |
| IUPAC name | 4-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid |
| UNII (FDA) | NS00003586 |
| Molecular Weight | 254.26 |
|---|---|
| XLogP3 | 0 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 254.03612798 |
| Monoisotopic Mass | 254.03612798 |
| Topological Polar Surface Area | 95.4 |
| Heavy Atom Count | 17 |
| Formal Charge | 0 |
| GHS notification summary | 12.1% (7 / 58) |
|---|
| GHS notification summary | 12.1% (7 / 58) |
|---|---|
| Reported hazard statements | H314 (75.9%), H317 (10.3%) |
This chemical does not meet GHS hazard criteria for 12.1% (7 of 58) of reports.
H314 (75.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid; RefChem:513342; 89-36-1; 4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid; 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one; Pyrazoline G; 4-(3-methyl-5-oxo-4H-pyrazol-1-yl)benzenesulfonic acid; DTXSID0044999; MFCD00020756; NSC 26429; 4-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzene-1-sulfonic acid; Benzenesulfonic acid, p-(3-methyl-5-oxo-2-pyrazolin-1-yl)-; NSC4752; SCHEMBL2223232; DTXCID8024999; CHEBI:192663
CAS 89-36-1; molecular formula C10H10N2O4S; molecular weight — g/mol.
4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzenesulphonic acid, RefChem:513342, 89-36-1, 4-(3-Methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid, 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one, Pyrazoline G.
12.1% of GHS notifications report no hazard classification (7 of 58).
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.