N-乙基-5-苯基异恶唑鎓-3'-磺酸盐，CAS 登记号 4156-16-5，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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N-Ethyl-5-phenylisoxazolium-3'-sulfonate · CAS 4156-16-5 · C11H11NO4S. UNII 3BN309R76H.
| CAS Registry Number | 4156-16-5 |
|---|---|
| PubChem CID | 77804 |
| Molecular formula | C11H11NO4S |
| IUPAC name | 3-(2-ethyl-1,2-oxazol-2-ium-5-yl)benzenesulfonate |
| UNII (FDA) | 3BN309R76H |
| Molecular Weight | 253.28 |
|---|---|
| XLogP3 | 1.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 253.04087901 |
| Monoisotopic Mass | 253.04087901 |
| Topological Polar Surface Area | 82.6 |
| Heavy Atom Count | 17 |
| Formal Charge | 0 |
| Reported hazard statements | H302 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
4156-16-5; Woodward's Reagent K; N-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULFONATE; 3BN309R76H; NSC-82643; DTXSID80194411; 2-Ethyl-5-(3-sulfophenyl)isoxazolium, hydroxide, inn er salt; reagent K, Woodward's; RefChem:163316; DTXCID90116902; 223-988-7; 2-Ethyl-5-phenylisoxazolium-3'-sulfonate; 2-Ethyl-5-phenylisoxazolium-3-sulfonate; 3-(2-ethyl-1,2-oxazol-2-ium-5-yl)benzenesulfonate; MFCD00012128; UNII-3BN309R76H
CAS 4156-16-5; molecular formula C11H11NO4S; molecular weight — g/mol.
4156-16-5, Woodward's Reagent K, N-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULFONATE, 3BN309R76H, NSC-82643, DTXSID80194411.
Hazard statements reported: H302.
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.