1H-Pyrazole-5-carboxylic acid

C4H4N2O2CAS 1621-91-6112.09 g/mol

NHNOOH
Carboxylic acid

Properties

Molecular formula
C4H4N2O2
Molar mass
112.09 g/mol
Exact mass
112.0273 Da
logP
0.11Crippen estimate
Polar surface area
66.0 Ų
H-bond donors / acceptors
2 / 2
Rotatable bonds
1

Hazards

Warning
Irritant (GHS07)

Aggregated from 49 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
1621-91-6
SMILES
C1=C(NN=C1)C(=O)O
InChIKey
KOPFEFZSAMLEHK-UHFFFAOYSA-N
InChI
InChI=1S/C4H4N2O2/c7-4(8)3-1-2-5-6-3/h1-2H,(H,5,6)(H,7,8)

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Names and synonyms

1 names
  • 5-Pyrazolecarboxylic acid

Work with 1H-Pyrazole-5-carboxylic acid

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere