6-chloro-4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-8-carboxylic acid
Also known as: 6-chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxazine-8-carboxylic acid, 6-chloro-3,4-dihydro-4-methyl-3-oxo-2H-1,4-benzoxanine-8-carboxylic acid, 6-chloro-4-methyl-3-oxo-1,4-benzoxazine-8-carboxylic acid, 2H-1,4-benzoxazine-8-carboxylic acid, 6-chloro-3,4-dihydro-4-methyl-3-oxo-, 6-chloro-4-methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-8-carboxylic acid
6-chloro-4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-8-carboxylic acid (CAS 123040-79-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H8ClNO4 and a molecular weight of 241.62800 g/mol. Key properties include a melting point of 241-243ºC, a boiling point of 556ºC at 760 mmHg, a density of 1.516g/cm3 and a flash point of 290ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 123040-79-9
- Jingsj CID
- J-1328023-4
- Molecular Formula
- C10H8ClNO4
- Molecular Weight
- 241.62800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 241-243ºC |
|---|---|
| Boiling Point | 556ºC at 760 mmHg |
| Density | 1.516g/cm3 |
| Flash Point | 290ºC |
| Exact Mass | 241.01400 |
| PSA | 66.84000 |
| LogP | 1.45840 |
| Vapor Pressure | 3.39E-13mmHg at 25°C |
| Refractive Index | 1.615 |
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 6-chloro-4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-8-carboxylic acid?
The CAS number of 6-chloro-4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-8-carboxylic acid is 123040-79-9.
What are the molecular formula and molecular weight of 6-chloro-4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-8-carboxylic acid?
6-chloro-4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-8-carboxylic acid has molecular formula C10H8ClNO4 and molecular weight 241.62800 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6-chloro-4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-8-carboxylic acid (CAS 123040-79-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1328023-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.