5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid
Also known as: 2-fluoro-5-[(2-methylpropan-2-yl)oxycarbonylamino]pyridine-4-carboxylic acid, 5-[[(1,1-dimethylethoxy)carbonyl]amino]-2-fluoro-4-pyridinecarboxylic acid, 5-tert-butoxycarbonylamino-2-fluoroisonicotinic acid, 5-(tert-butoxycarbonylamino)-2-fluoroisonicotinic acid, 2-fluoro-5-(tert-butoxycarbonylamino)pyridine-4-carboxylic acid
5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid (CAS 171178-42-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H13FN2O4 and a molecular weight of 256.230 g/mol. Key properties include a boiling point of 402.3±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 197.1±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 171178-42-0
- Jingsj CID
- J-1511833-9
- Molecular Formula
- C11H13FN2O4
- Molecular Weight
- 256.230 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 402.3±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 197.1±28.7 °C |
| Exact Mass | 256.085938 |
| PSA | 88.52000 |
| LogP | 3.43 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.563 |
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 5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid?
The CAS number of 5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid is 171178-42-0.
What are the molecular formula and molecular weight of 5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid?
5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid has molecular formula C11H13FN2O4 and molecular weight 256.230 g/mol.
What are the upstream and downstream products of 5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid?
For 5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid, Upstream Products: tert-Butyl (6-fluoropyridin-3-yl)carbamate, Carbon dioxide, 2-Fluoro-5-nitropyridine; Downstream Products: 4-chloro-6-fluoro-1,7-naphthyridine-3-carbonitrile, 6-fluoro-4-hydroxy-1,7-naphthyridine-3-carbonitrile, 5-Amino-2-fluoroisonicotinic 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. "5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid (CAS 171178-42-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511833-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.