Ethyl 4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonate

4-(5-甲基-3-苯基异噁唑-4-基)苯磺酸乙酯

Also known as: ethyl 4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonate, 4-(5-methyl-3-phenyl-4-isoxazolyl)-ethyl ester benzenesulfonic acid, Benzenesulfonic acid, 4-(5-methyl-3-phenyl-4-isoxazolyl)-, ethyl ester, Parecoxib impurity 8, Parecoxib impurity M: ethyl sulfonate, Parecoxib Sodium impurity 25 (Not Continue), Parecoxib Sodium-23, Palbociclib impurity 1

Ethyl 4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonate (CAS 1884279-18-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H17NO4S and a molecular weight of 343.4 g/mol. It is also known as ethyl 4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonate, 4-(5-methyl-3-phenyl-4-isoxazolyl)-ethyl ester benzenesulfonic acid and Benzenesulfonic acid, 4-(5-methyl-3-phenyl-4-isoxazolyl)-, ethyl ester. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1884279-18-8

Jingsj CID

J-1529532-7

Molecular Formula

C₁₈H₁₇NO₄S

Chinese Name

4-(5-甲基-3-苯基异噁唑-4-基)苯磺酸乙酯

Molecular Weight

343.4 g/mol

Category

Organic Acids

Last updated

8/21/2026