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Calmidazolium chloride (R 24571) is a calmodulin (CaMK) antagonist with a Kd of 3 nM, which inhibits CaM-dependent phosphodiesterase (IC50 = 0.15 μM) and calmodulin-induced activation of erythrocyte Ca2+-transporting ATPase (IC50 = 0.35 μM). It also induces apoptosis in certain cancer cell lines.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 5 mg | $57 | In Stock | In Stock | |
| 10 mg | $89 | In Stock | In Stock | |
| 25 mg | $148 | In Stock | In Stock | |
| 50 mg | $226 | In Stock | In Stock | |
| 100 mg | $337 | In Stock | In Stock | |
| 200 mg | $491 | In Stock | In Stock | |
| 1 mL x 10 mM (in DMSO) | $87 | In Stock | In Stock |
| Description | Calmidazolium chloride (R 24571) is a calmodulin (CaMK) antagonist with a Kd of 3 nM, which inhibits CaM-dependent phosphodiesterase (IC50 = 0.15 μM) and calmodulin-induced activation of erythrocyte Ca2+-transporting ATPase (IC50 = 0.35 μM). It also induces apoptosis in certain cancer cell lines. |
| Targets&IC50 | Calmodulin:3 nM(kd), Ca2+ transporting ATPase (erythrocyte, Calmodulin-induced):0.35 μM, Calmodulin:12.69 μM(mouse E14 ESCs), PDE (CaM-dependent):0.15 μM, Calmodulin:8.18 μM(mouse F9 ECCs) |
| In vitro | Calmidazolium chloride also induces apoptosis in certain cancer cell lines. Calmidazolium chloride (3, 5, 7, 10 μM, 30 minutes-24 hours) inhibits the growth of mouse F9 ECCs [2]. |
| Synonyms | R 24571 |
| Molecular Weight | 687.7 |
| Formula | C31H23Cl7N2O |
| Cas No. | 57265-65-3 |
| Smiles | [Cl-].Clc1ccc(cc1)C(c1ccc(Cl)cc1)[n+]1ccn(CC(OCc2ccc(Cl)cc2Cl)c2ccc(Cl)cc2Cl)c1 |
| Relative Density. | no data available |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 100 mg/mL (145.41 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween-80+45% Saline: 3.3 mg/mL (4.8 mM), Sonication is recommeded. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
DMSO
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