3-(Butan-2-ylidene)isobenzofuran-1(3H)-one
3-(丁-2-亚基)-1,3-二氢-2-苯并呋喃-1-酮
Also known as: 1(3H)-Isobenzofuranone, 3-(1-methylpropylidene)-, 3-(butan-2-ylidene)isobenzofuran-1(3H)-one, Butyphthalide impurity 91, n-Butylphthalide-045
3-(Butan-2-ylidene)isobenzofuran-1(3H)-one (CAS 114259-19-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H12O2 and a molecular weight of 188.22 g/mol. It is also known as 1(3H)-Isobenzofuranone, 3-(1-methylpropylidene)-, 3-(butan-2-ylidene)isobenzofuran-1(3H)-one and Butyphthalide impurity 91. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 114259-19-7
- Jingsj CID
- J-958423-1
- Molecular Formula
- C12H12O2
- Chinese Name
- 3-(丁-2-亚基)-1,3-二氢-2-苯并呋喃-1-酮
- Molecular Weight
- 188.22 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of 3-(Butan-2-ylidene)isobenzofuran-1(3H)-one?
The CAS number of 3-(Butan-2-ylidene)isobenzofuran-1(3H)-one is 114259-19-7.
What are the molecular formula and molecular weight of 3-(Butan-2-ylidene)isobenzofuran-1(3H)-one?
3-(Butan-2-ylidene)isobenzofuran-1(3H)-one has molecular formula C12H12O2 and molecular weight 188.22 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-(Butan-2-ylidene)isobenzofuran-1(3H)-one (CAS 114259-19-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-958423-1 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.