4-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonyl chloride

4-(5-甲基-3-苯基-4-异恶唑基)苯磺酰氯

Also known as: Benzenesulfonyl chloride, 4-(5-methyl-3-phenyl-4-isoxazolyl)-, Valdecoxib Sulfonyl Chloride, Valdecoxib IMpurity F, 4-(5-methyl-3-phenyl-1,2-oxazol-4-yl)benzenesulfonyl chloride, Parecoxib Sodium-5, Parecoxib impurity D: 4-benzene ring-4-sulfonyl chloride, Valdecoxib Impurity 6, 4-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonyl Chloride

4-(5-Methyl-3-phenyl-4-isoxazolyl)benzenesulfonyl chloride (CAS 509074-26-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H12ClNO3S and a molecular weight of 333.789 g/mol. It is also known as Benzenesulfonyl chloride, 4-(5-methyl-3-phenyl-4-isoxazolyl)-, Valdecoxib Sulfonyl Chloride and Valdecoxib IMpurity F. Key properties include a boiling point of 440.6±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 220.3±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

509074-26-4

Jingsj CID

J-1188224-6

Molecular Formula

C₁₆H₁₂ClNO₃S

Chinese Name

4-(5-甲基-3-苯基-4-异恶唑基)苯磺酰氯

Molecular Weight

333.789 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026