Pyrazole-4-carboxylic acid

C4H4N2O2CAS 37718-11-9112.09 g/mol

OHONNH
Carboxylic acid

Properties

Molecular formula
C4H4N2O2
Molar mass
112.09 g/mol
Exact mass
112.0273 Da
Melting point
279–280 °C (decomposes)
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 50 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
37718-11-9
SMILES
O=C(O)c1cn[nH]c1
InChIKey
IMBBXSASDSZJSX-UHFFFAOYSA-N
InChI
InChI=1S/C4H4N2O2/c7-4(8)3-1-5-6-2-3/h1-2H,(H,5,6)(H,7,8)

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

2 names
  • 1H-Pyrazole-4-carboxylic acid
  • 4-Carboxypyrazole

Work with Pyrazole-4-carboxylic acid

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Same formula

Elsewhere