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Transcainide(R 54718), a new lidocaine analog, is an orally active antiarrhythmic agent.Transcainide blocks the open state of BTX-activated sodium channels in bovine heart and rat skeletal muscle.
Pack Size | Price | Availability | Quantity |
---|---|---|---|
1 mg | 254 € | In Stock | |
5 mg | 629 € | In Stock | |
10 mg | 895 € | In Stock | |
25 mg | 1.320 € | In Stock | |
50 mg | 1.786 € | In Stock | |
100 mg | 2.432 € | In Stock |
Description | Transcainide(R 54718), a new lidocaine analog, is an orally active antiarrhythmic agent.Transcainide blocks the open state of BTX-activated sodium channels in bovine heart and rat skeletal muscle. |
In vitro | Transcainide (IC50=0.3 μM) inhibited equilibrium [3H]batrachotoxinin binding to sodium channels present on freshly isolated rat cardiac myocytes. Scatchard analysis of [3H]batrachotoxinin binding showed that Transcainide both reduced maximal binding and altered the KD for [3H]batrachotoxinin binding, indicating noncompetitive, allosteric inhibition. Inhibition by Transcainide of [3H]batrachotoxinin binding was reversible within 60 min. Transcainide had little effect on the k-1 of [3H]batrachotoxinin even at concentrations 1000-fold greater than its IC50, indicating a low affinity of Transcainide for activated channels. However, Transcainidee decreased the k + 1 of [3H]batrachotoxinin at a concentration very close to its IC50 concentration for inhibiting equilibrium [3H] batrachotoxin binding. The results are discussed in terms of a model in which Transcainide inhibits [3H] batrachotoxin binding by binding specifically to and stabilizing a nonactivated state of the cardiac sodium channel.[1] Reduction of sodium current by Transcainide was concentration-dependent, with an ED50 of approximately 0.5 μM (n = 9).[2] |
Alias | R-54718, R54718, R 54718 |
Molecular Weight | 373.53 |
Formula | C22H35N3O2 |
Cas No. | 88296-62-2 |
Smiles | C(NC1=C(C)C=CC=C1C)(=O)C2(N(C)C)CCN(CC2)[C@H]3[C@H](O)CCCC3 |
Relative Density. | 1.13g/cm3 |
Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | ||||||||||||||||||||
Solubility Information | DMSO: 3.74 mg/mL (10 mM), Sonication is recommended. | ||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||
DMSO
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