3-Acetamidophthalic anhydride
Also known as: N-(1,3-Dioxo-1,3-dihydro-2-benzofuran-4-yl)acetamide, 3-acetylaminophthalic anhydride, N-(1,3-Dihydro-1,3-dioxoisobenzofuran-4-yl)acetamide, Acetamide, N-(1,3-dihydro-1,3-dioxo-4-isobenzofuranyl)-, NSC 16261, N-(1,3-dioxo-1,3-dihydroisobenzofuran-4-yl)acetamide, 3-acetamidopthalic anhydride, 3-acetaminophthalic anhydride
3-Acetamidophthalic anhydride (CAS 6296-53-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7NO4 and a molecular weight of 205.167 g/mol. Key properties include a melting point of 186 °C, a boiling point of 489.1±28.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 249.6±24.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6296-53-3
- Jingsj CID
- J-893121-3
- Molecular Formula
- C10H7NO4
- Molecular Weight
- 205.167 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 186 °C |
|---|---|
| Boiling Point | 489.1±28.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 249.6±24.0 °C |
| Exact Mass | 205.037506 |
| PSA | 72.47000 |
| LogP | 0.46 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.658 |
Frequently Asked Questions
What is the CAS number of 3-Acetamidophthalic anhydride?
The CAS number of 3-Acetamidophthalic anhydride is 6296-53-3.
What are the molecular formula and molecular weight of 3-Acetamidophthalic anhydride?
3-Acetamidophthalic anhydride has molecular formula C10H7NO4 and molecular weight 205.167 g/mol.
What are the upstream and downstream products of 3-Acetamidophthalic anhydride?
For 3-Acetamidophthalic anhydride, Upstream Products: 3-Aminophthalic acid, 3-Nitrophthalic acid, 3-Nitrophthalic anhydride; Downstream Products: Apremilast, 4-Aminophthalide, 7-Chlorophthalide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Acetamidophthalic anhydride (CAS 6296-53-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-893121-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.