Spiramycin (Standard) is the standard substance of Spiramycin, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Spiramycin (Rovamycin) is a macrolide antibiotic produced by Streptomyces ambofaciens. The drug is effective against gram-positive aerobic pathogens, N. gonorrhoeae, and staphylococci. It is used to treat infections caused by bacteria and Toxoplasma gondii.