![Molecular structure of 2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid (CAS 77423-13-3)](/images/chem_structures_svg/316/77423-13-3.svg)
2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid
Also known as: 2,4-dioxo-1,4-dihydro-2H-3,1-benzoxazine-6-carboxylic acid, 2H-3,1-Benzoxazine-6-carboxylic acid, 1,4-dihydro-2,4-dioxo-, 5-carboxyisatoic anhydride, 5-carboxylisatoic anhydride, 6-carboxyisatoic anhydride, 7-carboxyisatoic anhydride
2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid (CAS 77423-13-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H5NO5 and a molecular weight of 207.14000 g/mol. Key property: a density of 1.607g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 77423-13-3
- Jingsj CID
- J-1520482-7
- Molecular Formula
- C9H5NO5
- Molecular Weight
- 207.14000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.607g/cm3 |
|---|---|
| Exact Mass | 207.01700 |
| PSA | 100.37000 |
| LogP | 0.17950 |
| Refractive Index | 1.631 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid?
The CAS number of 2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid is 77423-13-3.
What are the molecular formula and molecular weight of 2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid?
2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid has molecular formula C9H5NO5 and molecular weight 207.14000 g/mol.
What are the upstream and downstream products of 2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid?
For 2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid, Upstream Products: Bis(trichloromethyl) carbonate, 4-Aminoisophthalic acid, Dimethyl 4-aminoisophthalate; Downstream Products: 4-Amino-3-(methoxycarbonyl)benzoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid (CAS 77423-13-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1520482-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.