1668-00-4
Chemical Structure
Arsenazo III
- CAS. Nr.: 1668-00-4
- Formula:C22H18As2N4O14S2
- Molecular Weight:776.37
IUPAC Name: 3,6-bis((E)-(2-arsonophenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonic acid
InChIKey: UQHVTNUJRKELCE-NBHCHVEOSA-N
SMILES: O=S(C1=C(/N=N/C2=CC=CC=C2[As](O)(O)=O)C(O)=C3C(O)=C(/N=N/C4=CC=CC=C4[As](O)(O)=O)C(S(=O)(O)=O)=CC3=C1)(O)=O
Biological Activity: Arsenazo III is an azo derivative of chromotropic acid, a metal chrome dye, a chelating agent, and a cation complexing agent. Arsenazo III forms stable 1:1 complexes with Ca2+, Mg2+, Sr2+, Ba2+, K+, and Na+, and its binding affinity for Ca2+ depends on pH, alkali metal cation concentration, and buffer parameters. Arsenazo III serves as a colorimetric indicator for micromolar ionized Ca2+ in cells[1][2].
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Arsenazo III | 95% | Arsenazo III is an azo derivative of chromotropic acid, a metal chrome dye, a chelating agent, and a cation complexing agent. Arsenazo III forms stable 1:1 complexes with Ca2+, Mg2+, Sr2+, Ba2+, K+, and Na+, and its binding affinity for Ca2+ depends on pH, alkali metal cation concentration, and buffer parameters. Arsenazo III serves as a colorimetric indicator for micromolar ionized Ca2+ in cells. | ||||||||||||||||||||
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Keywords
