TSQ
Title: TSQ
CAS Registry Number: 109628-27-5
CAS Name: N-(6-Methoxy-8-quinolinyl)-4-methylbenzenesulfonamide
Additional Names: 6-methoxy-8-(p-toluenesulfonyl)aminoquinoline
Molecular Formula: C17H16N2O3S
Molecular Weight: 328.39
Percent Composition: C 62.18%, H 4.91%, N 8.53%, O 14.62%, S 9.76%
Literature References: Fluorescent membrane permeant probe selective for Zn2+ in the presence of Ca2+ and Mg2+. Prepn: G. B. Bachman et al., J. Org. Chem. 15, 1278 (1950). Atomic absoportion determn of Zn2+ to picomole levels in biological systems: J. G. Reyes et al., Biol. Res. 27, 49 (1994). Structure/mechanism analysis: M. S. Nasir et al., J. Biol. Inorg. Chem. 4, 775 (1999). Visualization of reactive zinc in the brain: C. J. Frederickson et al., J. Neurosci. Methods 20, 91 (1987); in extracellular areas of CNS: A. A. Larson et al., Pain 86, 177 (2000); in apoptosis: G. R. Sauer et al., J. Cell Biochem. 88, 954 (2003).
Properties: White crystalline solid from ethanol, mp 133-134°.
Melting point: mp 133-134°
Use: Determn of extracellular and intracellular Zn2+ levels in biological systems.

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