Calmodulin antagonist-1
Based on 1 publication(s) in Google Scholar
Calmodulin antagonist-1 (A-5) is a calmodulin (CaM) antagonist. Calmodulin antagonist-1 inhibits calmodulin-activated Ca2+-phosphodiesterase (PDE) (IC50=66 μM). Calmodulin antagonist-1 also inhibits trypsin-treated Ca2+-PDE (IC50=560 μM) in a competitive fashion with respect to cyclic GMP.
For research use only. We do not sell to patients.
- Purity: 98.0%
- CAS No.: 78957-84-3
- Formula: C14H18Cl2N2O2S
- Molecular Weight:349.28
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Storage:
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
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Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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Publications Citing Use of MedChemExpress (MCE) Calmodulin antagonist-1
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Biological Activity
Chemical Information
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CAS No. 78957-84-3
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Appearance Solid
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Molecular Weight 349.28
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Formula C14H18Cl2N2O2S
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Color Off-white to light yellow
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SMILES
O=S(C1=C2C=CC=C(Cl)C2=CC=C1)(NCCCCN)=O.[H]Cl
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, sealed storage, away from moisture
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Publications (1)
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Journal Impact Factor
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Most Recent
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Development
The neuropeptide FILa modulates larval settlement and ciliary function in the echiuran worm Urechis unicinctus. [Abstract]2026 Apr 15;153(8):dev205191. PMID: 41958431
Solvent & Solubility
DMSO : 100 mg/mL (286.30 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Select the appropriate dissolution method based on your experimental animal and administration route.
- For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
- To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
- The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.
Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline
Solubility: ≥ 2.5 mg/mL (7.16 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.
Preparation of Saline: Dissolve 0.9 g sodium chloride in ddH₂O and dilute to 100 mL to obtain a clear Saline solution.
Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)
Solubility: ≥ 2.5 mg/mL (7.16 mM); Clear solution
This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).
Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
Please enter the basic information of animal experiments:
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Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
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%DMSO +
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
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%+
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+%Tween-80 + +
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%Saline +
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Working solution concentration: 0.22 mg/mL
Method for preparing stock solution: mg drug dissolved in μL DMSO. Stock solution concentration: mg/mL. * In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
1. Take μL DMSO stock solution;
2. Add μL .
μL , mix evenly;
3. Then add μL Tween 80, mix evenly;
4. Then add μL
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation
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Data Sheet (271 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO | 1 mM | 2.8630 mL | 14.3152 mL | 28.6303 mL | 71.5758 mL |
| 5 mM | 0.5726 mL | 2.8630 mL | 5.7261 mL | 14.3152 mL | |
| 10 mM | 0.2863 mL | 1.4315 mL | 2.8630 mL | 7.1576 mL | |
| 15 mM | 0.1909 mL | 0.9543 mL | 1.9087 mL | 4.7717 mL | |
| 20 mM | 0.1432 mL | 0.7158 mL | 1.4315 mL | 3.5788 mL | |
| 25 mM | 0.1145 mL | 0.5726 mL | 1.1452 mL | 2.8630 mL | |
| 30 mM | 0.0954 mL | 0.4772 mL | 0.9543 mL | 2.3859 mL | |
| 40 mM | 0.0716 mL | 0.3579 mL | 0.7158 mL | 1.7894 mL | |
| 50 mM | 0.0573 mL | 0.2863 mL | 0.5726 mL | 1.4315 mL | |
| 60 mM | 0.0477 mL | 0.2386 mL | 0.4772 mL | 1.1929 mL | |
| 80 mM | 0.0358 mL | 0.1789 mL | 0.3579 mL | 0.8947 mL | |
| 100 mM | 0.0286 mL | 0.1432 mL | 0.2863 mL | 0.7158 mL |
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