Mupirocin (lithium) (Standard) is the analytical standard of Mupirocin lithium (HY-W108875). This product is intended for research and analytical applications. Mupirocin lithium is an antibiotic. Mupirocin lithium inhibits bacterial isoleucyl-tRNA synthetase, blocking protein synthesis. Mupirocin lithium has high activity against Gram-positive bacteria such as Staphylococcus and Streptococcus, as well as some Gram-negative bacteria (such as Haemophilus influenzae). Mupirocin lithium can be used in the research of diseases such as skin infections (such as MRSA infections) and chronic sinusitis[1][2][3][4][5][6].