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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 351653Generated: October 23, 2026

2-Aminoisonicotinamide

NSC 522597 · 2-AMINO-ISONICOTIMIDE · Apremilast Impurity 118 · 2-AMINO-ISONICOTINAMIDE · 2-AMino-4-pyridinecarbaMide · 2-AMINOPYRIDINE-4-CARBOXAMIDE · 2-AMino-4-pyridinecarboxaMide · 4-Pyridinecarboxamide, 2-amino-

https://huagongshe.com/en/chemical/351653

2-Aminoisonicotinamide molecular structure

Identifiers & Physical Properties

CAS No.13538-42-6
Molecular formulaC6H7N3O
Average molar mass137.14 g/mol
Monoisotopic mass137.05891186 g/mol
SMILESNC(=O)c1ccnc(N)c1
InChIKeyAGSDASDGMNDAIE-UHFFFAOYSA-N
PubChem CID351653
EC No.679-001-9
DTXSIDDTXSID50326005

Chemical & Physical Properties

XLogP-0.6
Topological polar surface area82
Hydrogen bond donors2
Hydrogen bond acceptors3
Rotatable bonds1
Heavy atoms10
Formal charge0
Complexity137
Melting point258°C
Boiling point360.1±27.0 °C(Predicted)
Density1.323±0.06 g/cm3 (20 ºC 760 Torr)
Storage conditionsKeep in dark place,Inert atmosphere,Room temperature
Physical statepowder to crystal
pKa (acidity coefficient)15.22±0.50(Predicted)
ColorWhite to Light yellow to Light orange
SolubilitySlightly soluble in water.
BRN115924
InChI1S/C6H7N3O/c7-5-3-4(6(8)10)1-2-9-5/h1-3H,(H2,7,9)(H2,8,10)
InChIKeyAGSDASDGMNDAIE-UHFFFAOYSA-N
SMILESNC(=O)c1ccnc(N)c1
CAS DataBase Reference13538-42-6(CAS DataBase Reference)
UNSPSC Code12352200
GHS pictogramGHS06
Signal wordDanger
GHS hazard statementsH301
GHS precautionary statementsP301+P310
Hazard symbolsXi,T
Risk statements (R)20/22-43-36-25
Safety statements (S)22-36/37-45-26
UN transport numberUN 2811 6.1 / PGIII
Water hazard class (WGK)3
Hazard classIRRITANT
Packing groupIII
Customs code29333990
Storage class11 - Combustible Solids

Safety & Regulations

Water hazard class (WGK)3
UN transport numberUN 2811 6.1 / PGIII
Customs code29333990
Risk statements (R)20/22-43-36-25
Signal wordDanger
GHS pictogramGHS06
Hazard symbolsXi,T
Safety statements (S)22-36/37-45-26
Hazard classIRRITANT
Storage class11 - Combustible Solids
Packing groupIII
GHS hazard statementsH301
GHS precautionary statementsP301+P310

Applications & Uses

Uses

2-Aminopyridine-4-carboxamide is used as pharmaceutical intermediate.

General Description

2-Aminopyridine-4-carboxamide is an amide compound that can be used as an organic synthetic intermediate for the preparation of imide-type catalytic additives and polyimide films.