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Epiroprim (Ro11-8958) is a selective dihydrofolate reductase (DHFR) inhibitor with antibacterial activity, inhibiting Staphylococcus, Enterococcus, Pneumococcus, and Streptococcus.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 1 mg | $293 | In Stock | |
| 5 mg | $718 | In Stock | |
| 10 mg | $987 | In Stock | |
| 25 mg | $1,520 | In Stock | |
| 50 mg | $1,980 | In Stock |
| Description | Epiroprim (Ro11-8958) is a selective dihydrofolate reductase (DHFR) inhibitor with antibacterial activity, inhibiting Staphylococcus, Enterococcus, Pneumococcus, and Streptococcus. |
| Targets&IC50 | DHFR:0.9 μmol |
| In vitro | The 50% inhibitory concentration (IC50) of Epiroprim against Toxoplasma gondii dihydrofolate reductase was 0.9 μmol. [1] Epiroprim has bactericidal effect with a minimum inhibitory activity of 10 mg/L against Mycobacterium leprae. [3] |
| In vivo | Epiroprim (300 mg/kg/ day for 14 days, given intraperitoneally) was ineffective against mice acutely infected with the RH strain of Toxoplasma Gondii, but when Epiroprim was combined with oral sulfadiazine (375 mg/kg/ day), a 100% survival rate was seen. [1] Epiroprim (100 mg/kg) combined with dapsone can prevent pneumosporosis and toxoplasmosis in rats. [2] |
| Synonyms | Ro11-8958, Ro-11-8958, Ro 11-8958, RO 118958, Epiroprime |
| Molecular Weight | 353.42 |
| Formula | C19H23N5O2 |
| Cas No. | 73090-70-7 |
| Smiles | N=1C=C(C(=NC1N)N)CC2=CC(OCC)=C(C(OCC)=C2)N3C=CC=C3 |
| Relative Density. | 1.2174 g/cm3 (Estimated) |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |

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