5-Methyl-3-phenyl-4-isoxazolylboronic acid

5-甲基-3-苯基-4-异恶唑硼酸

Also known as: (5-methyl-3-phenyl-1,2-oxazol-4-yl)boronic acid, 5-Methyl-3-phenylisoxazol-4-ylboronic acid, B-(5-Methyl-3-phenyl-4-isoxazolyl)boronic acid, Boronic acid, B-(5-methyl-3-phenyl-4-isoxazolyl)-, 5-Methyl-3-phenyl-4-isoxazolylboronic acid, may contain varying amounts of anhydride

5-Methyl-3-phenyl-4-isoxazolylboronic acid (CAS 491876-01-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H10BNO3 and a molecular weight of 203.00200 g/mol. It is also known as (5-methyl-3-phenyl-1,2-oxazol-4-yl)boronic acid, 5-Methyl-3-phenylisoxazol-4-ylboronic acid and B-(5-Methyl-3-phenyl-4-isoxazolyl)boronic acid. Key properties include a melting point of 104ºC, a boiling point of 437.5ºC at 760 mmHg, a density of 1.28g/cm3 and a flash point of 218.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

491876-01-8

Jingsj CID

J-1359868-0

Molecular Formula

C₁₀H₁₀BNO₃

Chinese Name

5-甲基-3-苯基-4-异恶唑硼酸

Molecular Weight

203.00200 g/mol

Category

Organic Acids

Last updated

8/21/2026