Antibiotic adjuvant 4 (Compound 13) is an Antibiotic adjuvant and efflux pump inhibitor. Antibiotic adjuvant 4 exhibits potent efflux pump inhibitory activity. Antibiotic adjuvant 4 significantly downregulates virulence-related genes of Staphylococcus aureus when used alone or in combination with antibiotics. Antibiotic adjuvant 4 enhances the efficacy of Ciprofloxacin against multiagent-resistant Staphylococcus aureus strains.

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.