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Quarfloxin (CX-3543), a fluoroquinolone derivative with antineoplastic activity, targets and inhibits RNA pol I activity, with IC50 values in the nanomolar range in neuroblastoma cells. Quarfloxin disrupts the interaction between the nucleolin protein and a G-quadruplex DNA structure in the ribosomal DNA (rDNA) template.
| Molecular Weight | 604.67 |
| CAS Number | 865311-47-3 |
| Solubility (25°C) | Water 1 mg/mL (ultrasonic and adjust pH to 5 with 0.1 M HCL) |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related DNA/RNA Synthesis Products |
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| Clofarabine
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| Gemcitabine Hydrochloride
Gemcitabine (Gemzar, LY188011) inhibits DNA synthesis with an IC50 of 0.06 µM. |
| Nelarabine
Nelarabine is a novel purine antimetabolite antineoplastic agent. |
| Mizoribine
Mizoribine (Bredinin) is an imidazole nucleoside and an immunosuppressive agent with an IC50 of approximately 100 μM. Mizoribine inhibits replication of SARS-CoV with IC50s of 3.5 μg/mL and 16 μg/mL for SARS-CoV Frankfurt-1 and SARS-CoV HKU39849, respectively. |
| Capecitabine
Capecitabine is an orally-administered chemotherapeutic agent. Capecitabine is a precursor, that is enzymatically converted to 5-fluorouracil in the tumor, where it inhibits DNA synthesis and slows growth of tumor tissue. Capecitabine may inhibit cytochrome CYP2C9 enzyme, and therefore increase levels of substrates such as phenytoin and other substrates of CYP2C9. |
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