5-(2,5-Dioxotetrahydrofuryl)-3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride

5-(2,5-二氧代四氢呋喃基)-3-甲基-3-环己烯-1,2-二羧酸酐

Also known as: 5-(2,5-Dioxotetrahydro-3-furanyl)-3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride, 5-(2,5-Dioxotetrahydrofuran-3-yl)-7-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione, 5-(2,5-Dioxotetrahydrofurfuryl)-3-methyl-3-cyclohexene-1,2-dicarboxylic acid anhydride, 3a,4,5,7a-Tetrahydro-7-methyl-5-(tetrahydro-2,5-dioxo-3-furanyl)-1,3-isobenzofurandione, 1,3-Isobenzofurandione, 3a,4,5,7a-tetrahydro-7-methyl-5-(tetrahydro-2,5-dioxo-3-furanyl)-, B-4400, Epiclon B-4400, Epiclon exp 4400, MCTC, UNII:281D83AH5V, EINECS 277-212-7, dioxotetrahydrofurylmethylcyclohexenedicarboxylic

5-(2,5-Dioxotetrahydrofuryl)-3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride (CAS 73003-90-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H12O6 and a molecular weight of 264.231 g/mol. It is also known as 5-(2,5-Dioxotetrahydro-3-furanyl)-3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride, 5-(2,5-Dioxotetrahydrofuran-3-yl)-7-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione and 5-(2,5-Dioxotetrahydrofurfuryl)-3-methyl-3-cyclohexene-1,2-dicarboxylic acid anhydride. Key properties include a melting point of 172ºC, a boiling point of 510.8±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 232.1±30.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

73003-90-4

Jingsj CID

J-1991167-4

Molecular Formula

C₁₃H₁₂O₆

Chinese Name

5-(2,5-二氧代四氢呋喃基)-3-甲基-3-环己烯-1,2-二羧酸酐

Molecular Weight

264.231 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026