5-Methyl-3,4-diphenylisoxazole

5-甲基-3,4-二苯基异噁唑

Also known as: 3,4-Diphenyl-5-methylisoxazole, 5-Methyl-3,4-diphenyl-1,2-oxazole, 5-Methyl-3,4-diphenyl-isoxazole, Isoxazole, 5-Methyl-3,4-diphenyl-, Parecoxib Sodium intermediate A, Parecoxib Sodium impurity PR-SM, Parecoxib impurity 5/5-methyl-3,4-diphenylisoxazole, Valdecoxib Impurity 10 (Desulfonamide), Parecoxib Related Compound, COX-1-IN-4

5-Methyl-3,4-diphenylisoxazole (CAS 37928-17-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H13NO and a molecular weight of 235.281 g/mol. It is also known as 3,4-Diphenyl-5-methylisoxazole, 5-Methyl-3,4-diphenyl-1,2-oxazole and 5-Methyl-3,4-diphenyl-isoxazole. Key properties include a melting point of 96.0 to 100.0 °C, a boiling point of 340.1±21.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 100.9±9.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

37928-17-9

Jingsj CID

J-925378-4

Molecular Formula

C₁₆H₁₃NO

Chinese Name

5-甲基-3,4-二苯基异噁唑

Molecular Weight

235.281 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026