5-((tert-Butoxycarbonyl)amino)-2-fluoroisonicotinic acid

5-((叔丁氧基羰基)氨基)-2-氟异烟酸

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. It is 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 and 5-tert-butoxycarbonylamino-2-fluoroisonicotinic acid. 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-1511833-2
Molecular Formula
C11H13FN2O4
Chinese Name
5-((叔丁氧基羰基)氨基)-2-氟异烟酸
Molecular Weight
256.230 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point402.3±45.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point197.1±28.7 °C

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.

Data compiled from public chemical databases 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-1511833-2 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.