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Istaroxime hydrochloride (PST2744 hydrochloride) is a Na+/K+-ATPase inhibitor and sarcoplasmic/endoplasmic reticulum calcium ATPase 2 (SERCA 2) activator, a novel positive inotropic compound that can be used to study acute heart failure.
Pack Size | Price | Availability | Quantity |
---|---|---|---|
2 mg | $134 | In Stock | |
5 mg | $229 | 5 days | |
10 mg | $376 | 5 days | |
50 mg | $789 | 6-8 weeks | |
100 mg | $1,180 | 6-8 weeks | |
1 mL x 10 mM (in DMSO) | $252 | 5 days |
Description | Istaroxime hydrochloride (PST2744 hydrochloride) is a Na+/K+-ATPase inhibitor and sarcoplasmic/endoplasmic reticulum calcium ATPase 2 (SERCA 2) activator, a novel positive inotropic compound that can be used to study acute heart failure. |
Targets&IC50 | Na+, K+-ATPase:0.11 μM, Na+/K+-ATPase (dog kidney):0.43 μM, Na+/K+-ATPase (guinea-pig kidney):8.5 μM |
In vitro | Istaroxime hydrochloride acts as a positive inotropic drug by inhibiting Na+,K+-ATPase. [1] The IC50 value of Istaroxime hydrochloride for inhibition of Na+/K+-ATPase activity in dog kidney was 0.43 μM. In guinea-pig kidney tissue preparations, the potency of Istaroxime hydrochloride for inhibition of Na+/K+-ATPase activity was 8.5 μM. [2] |
In vivo | Istaroxime hydrochloride progressively elevated +dP/dtmax throughout the infusion period, achieving an 80% effect at a cumulative dose of 1.89 ± 0.37 mg/kg (ED80) and reaching a peak effect of 140 ± 3.5% at a dose increase to 4.88 ± 0.6 mg/kg (EDmax). [2] |
Alias | ST-2744 hydrochloride, PST-2744 hydrochloride, PST2744 hydrochloride, PST 2744 hydrochloride, Istaroxime HCl |
Molecular Weight | 396.95 |
Formula | C21H33ClN2O3 |
Cas No. | 374559-48-5 |
Storage | store at low temperature | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | ||||||||||||||||||||||||||||||||||||||||
Solubility Information | H2O: 20 mg/mL(50.38 mM), Sonication is recommended. DMSO: 40 mg/mL(100.77 mM), Sonication is recommended. | ||||||||||||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||||||||||||
H2O/DMSO
DMSO
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