Zinquin Ester
Name: Zinquin Ester
CAS Registry Number: 181530-09-6
CA Index Name: Acetic acid, 2-[[2-methyl-8-[[(4-methylphenyl)sulfonyl]amino]-6-quinolinyl]oxy]-, ethyl ester
Other Names: Acetic acid, [[2-methyl-8-[[(4-methyl-phenyl)sulfonyl]amino]-6-quinolinyl]oxy]-, ethyl ester; 2-Methyl-8-[(4-methylphenyl)sulfonylamino]-6-(ethy-loxycarbonylmethyloxy)quinoline; Zinquin E; Zinquin ester; Zinquin ethyl ester
Merck Index Number: 10169
Chemical / Dye Class: Quinoline
Molecular Formula: C21H22N2O5S
Molecular Weight: 414.47
Physical Form: Colorless crystals
Solubility: Soluble in ethanol, methanol, dimethyl sulfoxide; slightly soluble in water
Melting Point: 111-113 °C
Boiling Point: 578.0 ± 60.0 °C, pressure: 760 Torr
pKa: 7.38 ± 0.30, most acidic, temperature: 25 °C; 3.66 ± 0.50, most basic, temperature: 25 °C
Absorption (λmax): 364 nm
Emission (λmax): 385 nm
Synthesis: Synthetic methods
Staining Applications: Zinc ions
Biological Applications: Zinc indicator; detecting apoptosis
Industrial Applications: Not reported
Safety / Toxicity: Zinc toxicity
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