Rifampicin (Standard) is the standard substance of Rifampicin, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Rifampicin (Rifamycin AMP) is a broad-spectrum antibiotic. Rifampicin has a strong antibacterial effect against Mycobacterium tuberculosis and is also effective against gram-positive and gram-negative bacteria and viruses.