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3-Amino-1-Phenyl-2-Pyrazolin-5-One

CAS: 4149-06-8 | C9H9N3O

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 4149-06-8
Molecular Formula: C9H9N3O
Molecular Weight: 175.191 g/mol

Names and Synonyms:

3-Amino-1-Phenyl-2-Pyrazolin-5-One
3-Amino-1-phenyl-4,5-dihydro-1H-pyrazol-5-one
3-Amino-1-phenyl-1H-pyrazol-5(4H)-one
3-Amino-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole
1-Phenyl-3-amino-2-pyrazolin-5-one PAP
NSC 3336
1-Phenyl-3-aminopyrazolin-5-one
3-Amino-1-phenyl-5-pyrazolone
1-Phenyl-3-amino-5-pyrazolone
5-Amino-2,4-dihydro-2-phenyl-3H-pyrazol-3-one
2-Pyrazolin-5-one, 3-amino-1-phenyl-
3H-Pyrazol-3-one, 5-amino-2,4-dihydro-2-phenyl-
3-Amino-1-phenyl-2-pyrazolin-5-one

Identifiers:

SMILES:
N=C1CC(=O)N(c2ccccc2)N1
InChI:
InChI=1S/C9H9N3O/c10-8-6-9(13)12(11-8)7-4-2-1-3-5-7/h1-5H,6H2,(H2,10,11)

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

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

External Resources

All Properties

Comprehensive physical and chemical properties

Category Property Value Source
Physical Properties molecular_mass 175.19 g/mol Legacy Database
cas-canonical-smile O=C1N(N=C(N)C1)C=2C=CC=CC2 Legacy Database
cas-inchi InChI=1S/C9H9N3O/c10-8-6-9(13)12(11-8)7-4-2-1-3-5-7/h1-5H,6H2,(H2,10,11) Legacy Database
cas-inchi-key InChIKey=LPOVZHYARSAVIZ-UHFFFAOYSA-N Legacy Database
cas-melting-point 218-219 °C @ Solvent: Methanol Legacy Database
cas-name 3-Amino-1-phenyl-2-pyrazolin-5-one Legacy Database
LogP 0.9051699999999998 RDKit
Molecular Molecular Weight 175.191 g/mol RDKit
Exact Exact Molecular Weight 175.074561908 g/mol RDKit
Heavy Heavy Atom Count 13 count RDKit
Hydrogen Hydrogen Bond Acceptors 2 count RDKit
Hydrogen Bond Donors 2 count RDKit
Rotatable Rotatable Bonds 1 count RDKit
Aromatic Aromatic Ring Count 1 count RDKit
Topological Topological Polar Surface Area 56.190000000000005 Ų RDKit
Molar Molar Refractivity 49.40740000000002 RDKit

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