| Size | Price | Stock | Qty |
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| 5mg |
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| 10mg |
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| 50mg |
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| 100mg |
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| Other Sizes |
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| References |
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| Additional Infomation |
Bretylium tosylate is the tosylate salt of bretylium. It blocks noradrenaline release from the peripheral sympathetic nervous system, and is used in emergency medicine, cardiology, and other specialties for the acute management of ventricular tachycardia and ventricular fibrillation. It has a role as an adrenergic antagonist, an anti-arrhythmia drug and an antihypertensive agent. It is a quaternary ammonium salt and an organosulfonate salt. It contains a bretylium.
Bretylium Tosylate is the tosylate salt form of bretylium, a quaternary ammonium salt and non-selective adrenergic neuronal blocking agent with anti-arrhythmic properties. Bretylium tosylate is selectively taken up into peripheral nerve terminals and initially causes a release of norepinephrine from sympathetic nerve endings, thereby causing a sympathomimetic effect. This is followed by a prolonged anti-adrenergic action which prevents further discharge of neurotransmitter from sympathetic nerve endings. Its myocardial effects include a prolongation of action potential as well as refractory period. This drug is used to treat and suppress ventricular arrhythmias, particularly ventricular fibrillation and ventricular tachycardia. An agent that blocks the release of adrenergic transmitters and may have other actions. It was formerly used as an antihypertensive agent, but is now proposed as an anti-arrhythmic. |
| Molecular Formula |
C18H24BRNO3S
|
|---|---|
| Molecular Weight |
414.3571
|
| Exact Mass |
413.066
|
| CAS # |
61-75-6
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| PubChem CID |
6100
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| Appearance |
White to off-white solid powder
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| Melting Point |
97-99°
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| LogP |
5.025
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| Hydrogen Bond Donor Count |
0
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| Hydrogen Bond Acceptor Count |
3
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| Rotatable Bond Count |
3
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| Heavy Atom Count |
24
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| Complexity |
349
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| Defined Atom Stereocenter Count |
0
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| InChi Key |
KVWNWTZZBKCOPM-UHFFFAOYSA-M
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| InChi Code |
InChI=1S/C11H17BrN.C7H8O3S/c1-4-13(2,3)9-10-7-5-6-8-11(10)12;1-6-2-4-7(5-3-6)11(8,9)10/h5-8H,4,9H2,1-3H3;2-5H,1H3,(H,8,9,10)/q+1;/p-1
|
| Chemical Name |
(2-bromophenyl)methyl-ethyl-dimethylazanium;4-methylbenzenesulfonate
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| HS Tariff Code |
2934.99.9001
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| 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)
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| Solubility (In Vitro) |
DMSO : ~100 mg/mL (~241.34 mM)
|
|---|---|
| Solubility (In Vivo) |
Solubility in Formulation 1: 2.5 mg/mL (6.03 mM) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution; with sonication.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 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: 2.5 mg/mL (6.03 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution; with ultrasonication. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly. Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. View More
Solubility in Formulation 3: 2.5 mg/mL (6.03 mM) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution; with ultrasonication. |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 2.4134 mL | 12.0668 mL | 24.1336 mL | |
| 5 mM | 0.4827 mL | 2.4134 mL | 4.8267 mL | |
| 10 mM | 0.2413 mL | 1.2067 mL | 2.4134 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.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
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