Cyamemazine
Based on 1 Customer Validation
Cyamemazine is a neuroleptic agent that contains the phenothiazine chromophore. Cyamemazine is often used as an anxiolytic. Cyamemazine is a potent 5-HT3 (Ki of 12 nM), 5-HT2A (Ki = 1.5 nM) and 5-HT2C (Ki of 75 nM) receptors antagonist with antipsychotic activity.
For research use only. We do not sell to patients.
- Purity: 99.47%
- CAS No.: 3546-03-0
- Formula: C19H21N3S
- Molecular Weight:323.46
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Storage:Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 6 months , -20°C, 1 month
To place orders, for customer services and technical support, please contact: MedChemExpress USA
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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Biological Activity
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5-HT2A Receptor |
5-HT2C Receptor |
5-HT2A Receptor 1.5 nM (Ki) |
5-HT2C Receptor 12 nM (Ki) |
5-HT3 Receptor 75 nM (Ki) |
Cyamemazine exhibits a high affinity for dopamine receptors, which is consistent with its antipsychotic activity. The antagonist activity of Cyamemazine at muscarinic receptors is consistent with its affinity for M1 (Ki = 13 nM), M2 (Ki = 42 nM), M3 (Ki = 321 nM), M4 (Ki = 12 nM), and M5 (Ki = 35 nM) receptors[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 3546-03-0
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Appearance Solid
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Molecular Weight 323.46
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Formula C19H21N3S
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Color Off-white to light yellow
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SMILES
CN(C)CC(C)CN1C2=C(C=CC(C#N)=C2)SC3=CC=CC=C31
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month
Solvent & Solubility
DMSO : 100 mg/mL (309.16 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. 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. 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 (7.73 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 (7.73 mM); Suspended solution; Need ultrasonic
This protocol yields a suspended solution of 2.5 mg/mL. Suspended solution can be used for oral and intraperitoneal injection.
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.
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 (276 KB)
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SDS (459 KB)
- English - EN (459 KB)
- Français - FR (459 KB)
- Deutsch - DE (459 KB)
- Norwegian - NO (459 KB)
- Español - ES (459 KB)
- Swedish - SV (459 KB)
- Italian - IT (459 KB)
- Korean - KR (459 KB)
- Portuguese - PT (459 KB)
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Handling Instructions (2659 KB)
References
[1]. Bourin M, et al. Preclinical and clinical pharmacology of cyamemazine: anxiolytic effects and prevention of alcohol and benzodiazepine withdrawal syndrome. CNS Drug Rev. 2004 Fall;10(3):219-29. [Content Brief]
[2]. Vendrell-Criado V, et al. Photobehavior of the antipsychotic drug cyamemazine in a supramolecular gel protective environment. J Photochem Photobiol B. 2020 Jan;202:111686. [Content Brief]
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. 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 | 3.0916 mL | 15.4579 mL | 30.9157 mL | 77.2893 mL |
| 5 mM | 0.6183 mL | 3.0916 mL | 6.1831 mL | 15.4579 mL | |
| 10 mM | 0.3092 mL | 1.5458 mL | 3.0916 mL | 7.7289 mL | |
| 15 mM | 0.2061 mL | 1.0305 mL | 2.0610 mL | 5.1526 mL | |
| 20 mM | 0.1546 mL | 0.7729 mL | 1.5458 mL | 3.8645 mL | |
| 25 mM | 0.1237 mL | 0.6183 mL | 1.2366 mL | 3.0916 mL | |
| 30 mM | 0.1031 mL | 0.5153 mL | 1.0305 mL | 2.5763 mL | |
| 40 mM | 0.0773 mL | 0.3864 mL | 0.7729 mL | 1.9322 mL | |
| 50 mM | 0.0618 mL | 0.3092 mL | 0.6183 mL | 1.5458 mL | |
| 60 mM | 0.0515 mL | 0.2576 mL | 0.5153 mL | 1.2882 mL | |
| 80 mM | 0.0386 mL | 0.1932 mL | 0.3864 mL | 0.9661 mL | |
| 100 mM | 0.0309 mL | 0.1546 mL | 0.3092 mL | 0.7729 mL |
Cyamemazine Related Classifications
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