Acid yellow 23
13969
Reference
Acid yellow 23 Structure
Systematic / IUPAC Name: 5-Oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)diazenyl]-4H-pyrazole-3-carboxylic acid
ID: Reference13969
Other Names:
Tartrazine acid;
AA-3740
Formula: C16H12N4O9S2
Class: Endogenous Metabolites
Spectral Data
Acid yellow 23 mass spectral data can be found in a separate interface. The data are manually curated and of the highest quality.
Available MS Data
| Used Instruments | Orbitrap ID-X with ETD_Cal Gateshead |
| No. of Spectral Trees | 1 |
| No. of Spectra | 1909 |
| Tandem Spectra | MS1, MS2, MS3, MS4, MS5, MS6 |
| Ionization Methods | NSI |
| Analyzers | FT |
| Last Modification | 7/1/2026 3:34:20 PM |
Identificators
| InChI | InChI=1S/C16H12N4O9S2/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29/h1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29) |
| InChI Key | RFKITWRHKUYMRJ-UHFFFAOYSA-N |
| Canonical SMILES | O=C(O)C1=NN(c2ccc(S(=O)(=O)O)cc2)C(=O)C1N=Nc1ccc(S(=O)(=O)O)cc1 |
| CAS | |
| Splash | |
| Other Names |
Tartrazine acid; AA-3740 |