PYO12 is a 3-phenyl-4-phenoxypyrazole type antibacterial compound. PYO12 exhibits selective activity against Gram-positive bacteria with MIC for S. aureus, B. subtilis, S. pneumoniae, and MRSA of 1, 1, 1, and 4 μg/mL respectively. PYO12 has no activity against Gram-negative bacteria. PYO12 can significantly increase bacterial membrane permeability and significantly upregulate cell wall stress-related genes, possibly by binding to the C55-PP part of lipid II. PYO12 shows a concentration-dependent bactericidal effect, has low toxicity to mammalian cells, and does not cause hemolysis. PYO12 can be used to develop new antibiotics targeting bacterial cell wall synthesis.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.