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IQ-R

Names

[ CAS No. ]:
1345445-57-9

[ Name ]:
IQ-R

[Synonym ]:
(5-Methoxy-1,2-dimethyl-4,7-dioxo-4,7-dihydro-1H-indol-3-yl)methyl 2-[6-(dimethylamino)-3-oxo-3H-xanthen-9-yl]benzoate
2-(6-dimethylamino-3-oxo-3H-xanthen-9-yl)-benzoic acid 5-methoxy-1,2-dimethyl-4,7-dioxo-4,7-dihydro-1H-indol-3-ylmethyl ester
Benzoic acid, 2-[6-(dimethylamino)-3-oxo-3H-xanthen-9-yl]-, (4,7-dihydro-5-methoxy-1,2-dimethyl-4,7-dioxo-1H-indol-3-yl)methyl ester

Biological Activity

[Description]:

IQ-R is a novel hypoxia-sensitive fluorescent probe, consisting of an indolequinone unit and a rhodol fluorophore.Target:IQ-R has good solubility in water and longer wavelength for absorption and emission, which are favorable for cellular bioimaging. While the fluorescence of rhodol in the IQ-R conjugate is quenched by the function of intramolecular indolequinone unit, it is restored under hypoxic conditions through the enzymatic one-electron reduction of IQ-R by NADPH: cytochrome P450 reductase to release the nonconjugated free rhodol. When administered to A549 cells, IQ-R is activated and reduced by endogenous reductase preferentially under hypoxic conditions, thereby visualizing hypoxic cancer cells by robust fluorescence.

[Related Catalog]:

Signaling Pathways >> Others >> Others
Research Areas >> Others

[References]

[1]. Hirokazu Komatsu,et al. Indolequinone-rhodol conjugate as a fluorescent probe for hypoxic cells: enzymatic activation and fluorescence properties. Med. Chem. Commun., 2010,1, 50-53


[Related Small Molecules]

Captisol | Cyclosporin A | H2DCFDA | 0MPTP hydrochloride | GW4869 | Etomoxir | TD139 | Mitoquinone mesylate | GSK2795039 | JC-1 | BAPTA-AM | AP 20187 | Setanaxib (GKT137831) | D-Luciferin | Crotaline

Chemical & Physical Properties

[ Density]:
1.3±0.0 g/cm3

[ Boiling Point ]:
879.8±0.0 °C at 760 mmHg

[ Molecular Formula ]:
C34H28N2O7

[ Molecular Weight ]:
576.595

[ Flash Point ]:
485.9±0.0 °C

[ Exact Mass ]:
576.189636

[ LogP ]:
5.22

[ Vapour Pressure ]:
0.0±0.0 mmHg at 25°C

[ Index of Refraction ]:
1.652

[ Storage condition ]:
2-8℃

Related Compounds

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