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Ferroquine (Ferrochloroquine)

Catalog No.GC32125

Ferroquine (Ferrochloroquine) (Ferrochloroquine), a ferrocenyl analogue of Chloroquine, is an antimalarial agent.

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Ferroquine (Ferrochloroquine) Chemical Structure

Cas No.: 185055-67-8

Size Price Stock Qty
10mM (in 1mL DMSO)
$142.00
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2mg
$74.00
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5mg
$149.00
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10mg
$273.00
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50mg
$963.00
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100mg
$1,665.00
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Sample solution is provided at 25 µL, 10mM.

Product Documents

Quality Control & SDS

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Protocol

Cell experiment:

Cytotoxicity studies are performed on human cervix HeLa cancer cells and non tumorigenic human fetal lung fibroblasts MRC-5 to compare the activity of Ferroquine, RQ, FQ-OH, CQ, MQ and Cisplatin. The cell viability is determined via a colorimetric cell-based assay using Resazurin. Briefly, one day before treatment cells are plated in triplicates in 96-well plates at a density of 4 × 103 cells/well in 100 µL. Upon treating cells with increasing concentrations of the target complexes (freshly prepared stock solution in DMSO), cells are incubated at 37°C/6% CO2 for 48 h, the medium is removed, and 100 µL of complete medium containing resazurin (0.2 mg/mL final concentration) is added. After 4 h of incubation at 37°C/6% CO2, the fluorescence of the highly red fluorescent resorufin product is quantified at 590 nm emission with 540 nm excitation wavelength in a SpectraMax M5 microplate Reader[1].

Animal experiment:

Mice[1] Groups of 3-4 NMRI mice are treated orally with single oral doses of 200 mg/kg of Ferroquine, FQ-OH and RQ. In addition, one group of mice is treated with a single oral dose of 800 mg/kg Ferroquine. Untreated mice serve as controls in all experiments. At 21 d post-treatment, animals are killed by the CO2 method and dissected. Worms are removed by picking, then sexed and counted.

References:

[1]. Keiser J, et al. In vitro and in vivo antischistosomal activity of ferroquine derivatives. Parasit Vectors. 2014 Sep 4;7:424.

Background

Ferroquine is an ingenious antimalarial agent.

The 24 hours post-incubation all newly transformed schistosomula (NTS) exposed to 33.3 µM Ferroquine (FQ), hydroxyl-ferroquine (FQ-OH) and Ruthenoquine (RQ) shows strongly reduced viabilities. 72 hours post-incubation all NTS exposed to 33.3 µM RQ have died, while Ferroquine and FQ-OH treated worms are strongly affected but still alive[1].

Treatment of mice with 200 and 800 mg/kg Ferroquine, shows low total worm burden reductions of 19.4% and 35.6%. One of the mice treated with 800 mg/kg Ferroquine died within 24 hours post-treatment. No activity is observed treating mice with RQ at 200 mg/kg. Finally, a total worm burden reduction of 17.3% is observed following treatment with FQ-OH. Hence, modification of Chloroquine (CQ) by a ferrocenyl or ruthenocenyl fragment does not increase the antischistosomal properties of CQ. For comparison, at 200 mg/kg mefloquine (MQ) achieves a much higher worm burden reduction of 72.3% in S. mansoni-infected mice. A higher effect against female adult S. mansoni is also observed in MQ treated mice pointing to a sex-specific interference of these drugs with the target. Furthermore, in one of the FQ-OH treated mice many dead worms are recovered and a hepatic shift (i.e. worms migrating to the liver) observed. Hence, Ferroquine and FQ-OH show weak antischistosomal activity in vivo[1].

[1]. Keiser J, et al. In vitro and in vivo antischistosomal activity of ferroquine derivatives. Parasit Vectors. 2014 Sep 4;7:424.

Chemical Properties

Cas No. 185055-67-8 SDF
Canonical SMILES ClC1=CC=C2C(NC[C-]34[Fe+2]56789%10%11([CH-]%12[CH]8=[CH]9[CH]%10=[CH]%11%12)C3(CN(C)C)=[CH]5[CH]6=[CH]47)=CC=NC2=C1
Formula C23H24ClFeN3 M.Wt 433.75
Solubility DMSO : 8.33 mg/mL (19.20 mM) Storage Store at -20°C
General tips Please select the appropriate solvent to prepare the stock solution according to the solubility of the product in different solvents; once the solution is prepared, please store it in separate packages to avoid product failure caused by repeated freezing and thawing.Storage method and period of the stock solution: When stored at -80°C, please use it within 6 months; when stored at -20°C, please use it within 1 month.
To increase solubility, heat the tube to 37°C and then oscillate in an ultrasonic bath for some time.
Shipping Condition Evaluation sample solution: shipped with blue ice. All other sizes available: with RT, or with Blue Ice upon request.

Complete Stock Solution Preparation Table

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1 mg 5 mg 10 mg
1 mM 2.3055 mL 11.5274 mL 23.0548 mL
5 mM 0.4611 mL 2.3055 mL 4.611 mL
10 mM 0.2305 mL 1.1527 mL 2.3055 mL
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