Kalafungin is an antibiotic, antimicrobial agent and a β-lactamase inhibitor from marine Streptomyces, with IC50 of 225.37 μM. Kalafungin destroys cell membranes. Kalafungin shows inhibitory activities against a variety of pathogenic fungi, yeasts, protozoa, gram-positive bacteria (such as S. aureus ATCC 33591 and S. aureus ATCC 23591), and, to a lesser extent, gram-negative 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.