Isonicotinamide

Isonicotinamide (pyridine-4-carboxamide) is the amide form of isonicotinic acid. It is an isomer of nicotinamide, which has the carboxamide group in the 3-position.^[1]

Isonicotinamide

Names
Preferred IUPAC name Pyridine-4-carboxamide
Identifiers
CAS Number	1453-82-3 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:6031 N
ChemSpider	14346 N
ECHA InfoCard	100.014.479
PubChem CID	15074
UNII	4H3BH6YX9Q Y
CompTox Dashboard (EPA)	DTXSID3020756
InChI InChI=1S/C6H6N2O/c7-6(9)5-1-3-8-4-2-5/h1-4H,(H2,7,9) N Key: VFQXVTODMYMSMJ-UHFFFAOYSA-N N InChI=1/C6H6N2O/c7-6(9)5-1-3-8-4-2-5/h1-4H,(H2,7,9) Key: VFQXVTODMYMSMJ-UHFFFAOYAE
SMILES c1cnccc1C(=O)N
Properties
Chemical formula	C6H6N2O
Molar mass	122.127 g·mol−1
Melting point	155–157 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

It is soluble in water (191 g/L), and is also soluble in ethanol, DMSO, methanol, chloroform, chloroform/methanol mixtures, and dioxane (10 mg/L). This compound is used for material synthesis.^[2]

Compounds in which the amide nitrogen is connected to another, and then doubly-bonded, are called isonicotinoylhydrazones.^[3]

See also

• Nicotinamide
• Nicotinamide adenine dinucleotide