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2-Mercaptopyridine N-Oxide

CAS: 1121-31-9 | C5H5NOS

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 1121-31-9
Molecular Formula: C5H5NOS
Molecular Mass: 127.17 g/mol

Names and Synonyms:

2-Mercaptopyridine N-Oxide
2-Pyridinethiol, 1-oxide
2-Mercaptopyridine 1-oxide
2-Mercaptopyridine N-oxide
2-Mercaptopyridine monoxide
2-Pyridinethiol N-oxide
Omadine
2-Mercaptopyridine oxide
2-Sulfanylpyridin-1-ium-1-olate

Identifiers:

SMILES:
[O-][n+]1ccccc1S
InChI:
InChI=1S/C5H5NOS/c7-6-4-2-1-3-5(6)8/h1-4,8H

Key Properties

Melting Point
70-73 °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 127.17 g/mol CAS Common Chemistry
127.16799999999999 g/mol RDKit
127.00918478 g/mol RDKit
Canonical SMILES O=N=1C=CC=CC1S CAS Common Chemistry
InChI InChI=1S/C5H5NOS/c7-6-4-2-1-3-5(6)8/h1-4,8H CAS Common Chemistry
InChI Key InChIKey=FGVVTMRZYROCTH-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 70-73 °C CAS Common Chemistry
Name 2-Mercaptopyridine N-oxide CAS Common Chemistry
Heavy Atom Count 8 RDKit
Hydrogen Bond Acceptors 2 RDKit
Hydrogen Bond Donors 1 RDKit
Rotatable Bonds 0 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 26.939999999999998 Ų RDKit
LogP 0.6087000000000002 RDKit
Molar Refractivity 32.653999999999996 RDKit

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