8-Methoxyquinoline-2-carboxylic acid
Also known as: 2-Quinolinecarboxylic acid, 8-methoxy-, 8-methoxy-2-quinolinecarboxylic acid, 8-Methoxy-chinolin-2-carbonsaeure, 8-methoxy-quinoline-2-carboxylic acid, 8-methoxy-2-quinolylcarboxylic acid, Moxifloxacin Impurity 233
8-Methoxyquinoline-2-carboxylic acid (CAS 21141-35-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO3 and a molecular weight of 203.19400 g/mol. Key properties include a boiling point of 385.421ºC at 760 mmHg, a density of 1.325g/cm3 and a flash point of 186.896ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21141-35-5
- Jingsj CID
- J-1513381-0
- Molecular Formula
- C11H9NO3
- Molecular Weight
- 203.19400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 385.421ºC at 760 mmHg |
|---|---|
| Density | 1.325g/cm3 |
| Flash Point | 186.896ºC |
| Exact Mass | 203.05800 |
| PSA | 59.42000 |
| LogP | 1.94160 |
| Vapor Pressure | 0mmHg at 25°C |
| Refractive Index | 1.648 |
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. 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 8-Methoxyquinoline-2-carboxylic acid?
The CAS number of 8-Methoxyquinoline-2-carboxylic acid is 21141-35-5.
What are the molecular formula and molecular weight of 8-Methoxyquinoline-2-carboxylic acid?
8-Methoxyquinoline-2-carboxylic acid has molecular formula C11H9NO3 and molecular weight 203.19400 g/mol.
What are the upstream and downstream products of 8-Methoxyquinoline-2-carboxylic acid?
For 8-Methoxyquinoline-2-carboxylic acid, Upstream Products: 2-Amino-3-methoxybenzaldehyde, Pyruvic acid, 8-Methoxy-2-methylquinoline; Downstream Products: 8-Hydroxyquinoline-2-carboxylic 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. "8-Methoxyquinoline-2-carboxylic acid (CAS 21141-35-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1513381-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.