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Orotic Acid

CAS: 65-86-1 | C5H4N2O4

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 65-86-1
Molecular Formula: C5H4N2O4
Molecular Mass: 156.10 g/mol

Names and Synonyms:

Orotic Acid
4-Pyrimidinecarboxylic acid, 1,2,3,6-tetrahydro-2,6-dioxo-
Orotic acid
1,2,3,6-Tetrahydro-2,6-dioxo-4-pyrimidinecarboxylic acid
Animal galactose factor
6-Carboxyuracil
6-Uracilcarboxylic acid
Whey factor
2,6-Dihydroxy-4-pyrimidinecarboxylic acid
Oroturic
Orotyl
Orodin
Orotonin
2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid
NSC 79560
NSC 9791
Vitamin B13
2,4-Dihydroxypyrimidine-6-carboxylic acid
2,4-Dioxo-1H-pyrimidine-6-carboxylic acid
2-Hydroxy-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid

Identifiers:

SMILES:
O=C(O)c1cc(O)nc(O)n1
InChI:
InChI=1S/C5H4N2O4/c8-3-1-2(4(9)10)6-5(11)7-3/h1H,(H,9,10)(H2,6,7,8,11)

Key Properties

Melting Point
345-346 °C CAS Common Chemistry

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

Property Value Source
Molecular Mass 156.10 g/mol CAS Common Chemistry
156.097 g/mol RDKit
156.017106608 g/mol RDKit
Canonical SMILES O=C1C=C(NC(=O)N1)C(=O)O CAS Common Chemistry
InChI InChI=1S/C5H4N2O4/c8-3-1-2(4(9)10)6-5(11)7-3/h1H,(H,9,10)(H2,6,7,8,11) CAS Common Chemistry
InChI Key InChIKey=PXQPEWDEAKTCGB-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 345-346 °C CAS Common Chemistry
Name Orotic acid CAS Common Chemistry
Heavy Atom Count 11 RDKit
Hydrogen Bond Acceptors 5 RDKit
Hydrogen Bond Donors 3 RDKit
Rotatable Bonds 1 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 103.54 Ų RDKit
LogP -0.4140000000000001 RDKit
Molar Refractivity 32.320899999999995 RDKit

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