Pyridinecarboxylic acids
Pyridinecarboxylic acid is a group of organic compounds which are monocarboxylic derivatives of pyridine. Pyridinecarboxylic acid comes in three isomers:
- Picolinic acid
- Nicotinic acid, also known as Niacin
- Isonicotinic acid
| Common Name | Picolinic acid | Nicotinic acid/Niacin | Isonicotinic acid |
| Systematic Name | 2-pyridinecarboxylic acid | 3-pyridinecarboxylic acid | 4-pyridinecarboxylic acid |
| Structural Formula | |||
| CAS Registry Number | 98-98-6 | 59-67-6 | 55-22-1 |
All isomers share the molecular weight 123,11 g/mol and the chemical formula C6H5NO2.