Isonicotinic acid
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Names | |||
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Preferred IUPAC name
Pyridine-4-carboxylic acid | |||
Other names
Isonicotinic acid
4-Pyridinecarboxylic acid p-Pyridinecarboxylic acid 4-Picolinic acid | |||
Identifiers | |||
3D model (JSmol)
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ChEBI | |||
ChEMBL | |||
ChemSpider | |||
ECHA InfoCard | 100.000.208 | ||
KEGG | |||
PubChem CID
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UNII | |||
CompTox Dashboard (EPA)
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Properties | |||
C6H5NO2 | |||
Molar mass | 123.11 g/mol | ||
Appearance | White to off-white crystalline solid | ||
Density | Solid | ||
Melting point | 310 °C (590 °F; 583 K) (sublimes) | ||
Related compounds | |||
Related compounds
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nicotinic acid, pyridine | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Isonicotinic acid or 4-pyridinecarboxylic acid is an organic compound with the formula C5H4N(CO2H). It is a derivative of pyridine with a carboxylic acid substituent at the 4-position. It is an isomer of picolinic acid and nicotinic acid which has the carboxyl group at the 2nd and 3rd position respectively compared to the 4-position for nicotinic acid.
Derivatives
Isonicotinic acids is a term loosely used for derivatives of isonicotinic acid. Examples include:
See also
References
- ^ Isonicotinic acid at chemicalland21.com
External links
- Isonicotinic+Acids at the U.S. National Library of Medicine Medical Subject Headings (MeSH)