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Molecule

Pyrazole-3,5-Dicarboxylic Acid

CAS: 3112-31-0 · C5H4N2O4

2D Structure

3D Structure

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Basic Information

CAS Registry Number
3112-31-0
Molecular Formula
C5H4N2O4
Molecular Mass
156.10 g/mol

Identifiers

CAS Registry Number

3112-31-0

SMILES

O=C(O)c1cc(C(=O)O)[nH]n1

InChI Key

YDMVPJZBYSWOOP-UHFFFAOYSA-N

InChI

InChI=1S/C5H4N2O4/c8-4(9)2-1-3(5(10)11)7-6-2/h1H,(H,6,7)(H,8,9)(H,10,11)

Names and Synonyms

  • Pyrazole-3,5-Dicarboxylic Acid Synonym
  • 1H-Pyrazole-3,5-dicarboxylic acid Synonym
  • Pyrazole-3,5-dicarboxylic acid Synonym
  • 3,5-Dicarboxypyrazole Synonym
  • NSC 51108 Synonym
  • 3,5-Pyrazoledicarboxylic acid Synonym

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 156.10 g/mol CAS Common Chemistry
156.09699999999998 g/mol RDKit
156.097 g/mol RDKit
157.105 g/mol chempirical lib
Canonical SMILES O=C(O)C1=NNC(=C1)C(=O)O CAS Common Chemistry
InChI InChI=1S/C5H4N2O4/c8-4(9)2-1-3(5(10)11)7-6-2/h1H,(H,6,7)(H,8,9)(H,10,11) CAS Common Chemistry
InChI Key InChIKey=YDMVPJZBYSWOOP-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 287 °C CAS Common Chemistry
Name Pyrazole-3,5-dicarboxylic acid CAS Common Chemistry
Heavy Atom Count 11 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 3 RDKit
Rotatable Bonds 2 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 103.27999999999999 Ų RDKit
103.28 Ų RDKit
98.63 Ų chempirical lib
LogP -0.19389999999999996 RDKit
-0.1939 RDKit
Molar Refractivity 32.50629999999999 cm³/mol RDKit
Ring Count 1 RDKit
Formal Charge 0 RDKit
Fraction Csp3 0.0 RDKit
Exact Mass 156.017106608 g/mol RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

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MW = 156.10 g/mol. Edit any field — others recompute live.

Related

Related molecules

Other compounds with formula C5H4N2O4.

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