3-isobutylglutaric anhydride

3-异丁基戊二酸酐

Also known as: 4-Isobutyldihydro-2H-pyran-2,6(3H)-dione, 4-(2-methylpropyl)oxane-2,6-dione, Dihydro-4-(2-methylpropyl)-2H-pyran-2,6(3H)-dione, 2H-Pyran-2,6(3H)-dione, dihydro-4-(2-methylpropyl)-, 3-isobutyl-glutaric anhydride, IBG-anhydride, Pregabalin Impurity 71, Pregabalin Pyrandione IMP

3-isobutylglutaric anhydride (CAS 185815-59-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H14O3 and a molecular weight of 170.206 g/mol. It is also known as 4-Isobutyldihydro-2H-pyran-2,6(3H)-dione, 4-(2-methylpropyl)oxane-2,6-dione and Dihydro-4-(2-methylpropyl)-2H-pyran-2,6(3H)-dione. Key properties include a boiling point of 279.3±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 124.0±15.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

185815-59-2

Jingsj CID

J-1393206-4

Molecular Formula

C₉H₁₄O₃

Chinese Name

3-异丁基戊二酸酐

Molecular Weight

170.206 g/mol

Category

Organic Acids

Last updated

8/21/2026