N-Ethyl-5-phenylisoxazolium-3'-sulfonate
2-乙基-5-苯基异恶唑-3'-磺酸盐
Also known as: Woodward's reagent K, NEPIS, 2-Ethyl-5-phenylisoxazolium-3'-sulphonate, 3-(2-Ethyl-1,2-oxazol-2-ium-5-yl)benzenesulfonate, 2-Ethyl-5-(3-sulfophenyl)isoxazolium inner salt, 3-(2-Ethylisoxazol-5-yl)benzenesulfonic acid
- CAS No.
- 4156-16-5
- Jingsj CID
- J-1050257-0
- Molecular Formula
- C11H11NO4S
- Chinese Name
- 2-乙基-5-苯基异恶唑-3'-磺酸盐
- Molecular Weight
- 253.274 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 216-219 °C (dec.) |
|---|
GHS Safety & Compliance
IrritantSignal word: Warning
Frequently Asked Questions
What is the CAS number of N-Ethyl-5-phenylisoxazolium-3'-sulfonate?
4156-16-5
What are the molecular formula and molecular weight of N-Ethyl-5-phenylisoxazolium-3'-sulfonate?
C11H11NO4S, molecular weight 253.274 g/mol
Is N-Ethyl-5-phenylisoxazolium-3'-sulfonate hazardous?
Warning
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026