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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

IUPAC name:
pyridine-4-carboxylic acid

Inventory

EC number:
200-228-2
EC name:
Isonicotinic acid
CAS number:
55-22-1
CAS number:
55-22-1
Synonyms
Names:
4-Pyridinecarboxylic acid
Identifier:
CAS number
55-22-1
Identifier:
IUPAC name
4-Pyridinecarboxylic acid
Identifier:
IUPAC name
isonicotinic acid
Identifier:
IUPAC name
pyridine-4-carboxylic acid
Identifier:
PubChem
4-Carboxypyridine
Identifier:
PubChem
4-Picolinic acid
Identifier:
PubChem
4-Pyridinecarboxylic acid
Identifier:
PubChem
Acide iso-nicotinique
Identifier:
PubChem
Pyridine-4-carboxylic acid
Identifier:
PubChem
p-Pyridinecarboxylic acid
Identifier:
other: InChl
1S/C6H5NO2/c8-6(9)5-1-3-7-4-2-5/h1-4H,(H,8,9)
Identifier:
other: SMILES notation
C1=CN=CC=C1C(=O)O
Identifier:
other: InChl
InChI=1/C6H5NO2/c8-6(9)5-1-3-7-4-2-5/h1-4H,(H,8,9)
Identifier:
other: SMILES notation
OC(=O)c1ccncc1
pyridine-4-carboxylic acid

Molecular and structural information

Molecular formula:
C6H5NO2
Molecular weight:
>= 123.11 - <= 123.112
SMILES notation:
C1=CN=CC=C1C(=O)O
InChl:
InChI=1S/C6H5NO2/c8-6(9)5-1-3-7-4-2-5/h1-4H,(H,8,9)
Structural formula:
Chemical structure

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