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4-Methyl-5-Thiazolecarboxylic Acid
CAS: 20485-41-0 | C5H5NO2S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
20485-41-0
Molecular Formula:
C5H5NO2S
Molecular Mass:
143.17 g/mol
Names and Synonyms:
4-Methyl-5-Thiazolecarboxylic Acid
5-Thiazolecarboxylic acid, 4-methyl-
4-Methyl-5-thiazolecarboxylic acid
4-Methyl-1,3-thiazole-5-carboxylic acid
Identifiers:
SMILES:
Cc1ncsc1C(=O)O
InChI:
InChI=1S/C5H5NO2S/c1-3-4(5(7)8)9-2-6-3/h2H,1H3,(H,7,8)
Key Properties
Melting Point
280 °C (decomp)
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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 143.17 g/mol | CAS Common Chemistry |
| 143.167 g/mol | RDKit | |
| 143.0040994 g/mol | RDKit | |
| Canonical SMILES | O=C(O)C=1SC=NC1C | CAS Common Chemistry |
| InChI | InChI=1S/C5H5NO2S/c1-3-4(5(7)8)9-2-6-3/h2H,1H3,(H,7,8) | CAS Common Chemistry |
| InChI Key | InChIKey=ZGWGSEUMABQEMD-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 280 °C (decomp) | CAS Common Chemistry |
| Name | 4-Methyl-5-thiazolecarboxylic acid | CAS Common Chemistry |
| Heavy Atom Count | 9 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 50.19 Ų | RDKit |
| LogP | 1.14972 | RDKit |
| Molar Refractivity | 33.81029999999999 | RDKit |
