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Sibrafiban (RO 48-3657), an orally active, nonpeptide double-prodrug of Ro 44-3888, is a selective glycoprotein IIb/IIIa receptor antagonist that inhibits platelet aggregation [1] [2] [3].

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 25 mg | $977 | 6-8 weeks | 6-8 weeks | |
| 50 mg | $1,270 | 6-8 weeks | 6-8 weeks | |
| 100 mg | $1,990 | 6-8 weeks | 6-8 weeks |
| Description | Sibrafiban (RO 48-3657), an orally active, nonpeptide double-prodrug of Ro 44-3888, is a selective glycoprotein IIb/IIIa receptor antagonist that inhibits platelet aggregation [1] [2] [3]. |
| In vitro | The impact of Sibrafiban on platelet activation is evaluated through measures of P-selectin expression, fibrinogen binding, and microaggregate formation. Sibrafiban concentration-dependently inhibits both ADP and TRAP-induced fibrinogen binding and microaggregate formation, while having minimal effect on P-selectin expression. Furthermore, a reduction in Sibrafiban's site occupancy does not lead to an increase in platelet activation [3]. |
| In vivo | The activity of Ro 44-3888 on both ADP-induced platelet aggregation (17 μmol) and cutaneous bleeding duration was assessed in eight rhesus monkeys administered Sibrafiban at dosages of 0.25 mg/kg/day or 0.5 mg/kg/day through oral administration over eight days. Results demonstrated that Ro 44-3888 exhibits a dose-dependent maximal inhibition of ex vivo platelet aggregation alongside an extension of bleeding time [1]. |
| Synonyms | RO-48-3657/001, RO-48-3657, RO 48-3657/001 |
| Molecular Weight | 420.46 |
| Formula | C20H28N4O6 |
| Cas No. | 172927-65-0 |
| Smiles | C(C(NC(=O)C1=CC=C(C(=NO)N)C=C1)C)(=O)N2CCC(OCC(OCC)=O)CC2 |
| Relative Density. | 1.33 g/cm3 (Predicted) |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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