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Calmidazolium chloride (R 24571) 57265-65-3

Calmidazolium chloride (R 24571) 57265-65-3

CAS No.: 57265-65-3

Calmidazolium chloride (R 24571) is a calmodulin antagonist that antagonizes CaM-dependent phosphodiesterase and calmodu
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Calmidazolium chloride (R 24571) is a calmodulin antagonist that antagonizes CaM-dependent phosphodiesterase and calmodulin-induced activation of erythrocyte Ca2+ transport ATPase with IC50 of 0.15 and 0.35 μM, respectively. Also used in anti-cancer research. It binds CaMK with a Kd of 3 nM.

Physicochemical Properties


Molecular Formula C31H23CL7N2O
Molecular Weight 687.70
Exact Mass 683.963
CAS # 57265-65-3
Related CAS # 57265-65-3 (chloride);95013-41-5 (cation);
PubChem CID 644274
Appearance White to off-white solid powder
Boiling Point 724.9ºC at 760mmHg
Melting Point 172-176ºC
LogP 7.295
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 2
Rotatable Bond Count 9
Heavy Atom Count 41
Complexity 742
Defined Atom Stereocenter Count 0
InChi Key YGEIMSMISRCBFF-UHFFFAOYSA-M
InChi Code

InChI=1S/C31H23Cl6N2O.ClH/c32-23-6-1-20(2-7-23)31(21-3-8-24(33)9-4-21)39-14-13-38(19-39)17-30(27-12-11-26(35)16-29(27)37)40-18-22-5-10-25(34)15-28(22)36;/h1-16,19,30-31H,17-18H2;1H/q+1;/p-1
Chemical Name

1-[bis(4-chlorophenyl)methyl]-3-[2-(2,4-dichlorophenyl)-2-[(2,4-dichlorophenyl)methoxy]ethyl]imidazol-3-ium;chloride
HS Tariff Code 2934.99.9001
Storage

Powder-20°C 3 years

4°C 2 years

In solvent -80°C 6 months

-20°C 1 month

Note: Please store this product in a sealed and protected environment, avoid exposure to moisture.
Shipping Condition Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

Biological Activity


Targets Kd: 3 nM (Calmodulin)[3]
ln Vitro In addition to its common usage as a calmodulin (CaM) antagonist, carbamazole is also known to cause apoptosis in specific cancer cell lines. Mouse F9 ECC development is inhibited by trimetazolium chloride (3, 5, 7, 10 μM, 30 minutes-24 hours) [2].
Cell Assay Cell Viability Assay[2]
Cell Types: Mouse F9 ECCs
Tested Concentrations: 3, 5, 7, 10 μM
Incubation Duration: 30 minutes-24 hrs (hours)
Experimental Results: The IC50s of Calmidazolium chloride treated F9 ECCs and E14 ESCs are 8.18 μM, and 12.69 μM[2].
References

[1]. Comparison of the calmodulin antagonists compound 48/80 and calmidazolium. Biochem J. 1983 Dec 15;216(3):611-6.

[2]. Calmidazolium chloride inhibits growth of murine embryonal carcinoma cells, a model of cancer stem-like cells. Toxicol In Vitro. 2016 Sep;35:86-92.

[3]. Calmidazolium evokes high calcium fluctuations in Plasmodium falciparum. Cell Signal. 2016 Mar;28(3):125-135.

Additional Infomation Calmidazolium chloride is the organic choride salt of calmidazolium. It has a role as a calmodulin antagonist and an apoptosis inducer. It contains a calmidazolium.

Solubility Data


Solubility (In Vitro) DMSO : 100 mg/mL (145.41 mM)
Solubility (In Vivo) Solubility in Formulation 1: ≥ 2.08 mg/mL (3.02 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2.08 mg/mL (3.02 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.8 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.4541 mL 7.2706 mL 14.5412 mL
5 mM 0.2908 mL 1.4541 mL 2.9082 mL
10 mM 0.1454 mL 0.7271 mL 1.4541 mL
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.