SUN-5555 is a penem --- a type of unsaturated β-lactam with a sulfur atom in the five-membered ring. SUN-5555 belongs to the penem group of antibiotics prescribed for oral usage. Enterobacteriaceae bacterial infections with cephalosporin resistance are susceptible to faropenem. Faropenem could be an effective antibiotic to treat urinary tract infections caused by extended-spectrum beta-lactamases (ESBL) producing bacteria.

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.