Chemical Name: N-[2-(Dimethylamino)ethyl]-12-oxo-12H-benzo[g]pyrido[2,1-b]quinazoline-4-carboxamide
RNA polymerase I inhibitor
Molecular Weight:
360.42
Purity:
>98% by HPLC NMR (Conforms)
Form:
Orange solid
CAS Number:
[896705-16-1]
Formula:
C21H20N4O2
Application Notes:
A planar heterocyclic DNA intercalator that inhibits RNA polymerase I (Pol I), IC50 = 0.6 µM in U2OS cells, but not Pols II or III, blocking transcription elongation without inducing the DNA damage response.1-3 Inhibition disengages Pol I from chromatin, resulting in proteasome-dependent destruction of Pol I subunit RPA194.4 At nanomolar concentrations it also activates p53 in A375 cells.5
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