Rifamycin S (NSC144130; NSC 144130; NSC-144130) is a DNA-dependent RNA polymerase and an impurity of Rifaximin. Rifaximin (L-105SV; BRN-3584528; Normix; Rifacol; Fatroximin; Rifaxidin; Rifaxin; Ritacol; RCIFAX, Rifagut, Xifaxan, Zaxine) is an orally bioavailable and semi-synthetic RNA synthesis inhibitor used to treat traveler's diarrhea caused by certain bacteria.

纯度：≥98%

CAS：13553-79-2