3-Methoxyisonicotinic acid
Also known as: 3-METHOXY-4-PYRIDINECARBOXYLIC ACID, 3-METHOXYISONICOTINIC ACID, 3-Methoxypyridine-4-carboxylic acid, 4-Pyridinecarboxylic acid, 3-methoxy-
3-Methoxyisonicotinic acid (CAS 654663-32-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7NO3 and a molecular weight of 153.135 g/mol. Key properties include a boiling point of 399.5±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 195.4±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 654663-32-8
- Jingsj CID
- J-1438143-2
- Molecular Formula
- C7H7NO3
- Molecular Weight
- 153.135 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 399.5±22.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 195.4±22.3 °C |
| Exact Mass | 153.042587 |
| PSA | 59.42000 |
| LogP | 0.57 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.550 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 3-Methoxyisonicotinic acid?
The CAS number of 3-Methoxyisonicotinic acid is 654663-32-8.
What are the molecular formula and molecular weight of 3-Methoxyisonicotinic acid?
3-Methoxyisonicotinic acid has molecular formula C7H7NO3 and molecular weight 153.135 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. "3-Methoxyisonicotinic acid (CAS 654663-32-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1438143-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.