JNJ-6640 is an inhibitor targeting mycobacterial PurF (the first enzyme in the de novo purine biosynthesis pathway) with potent anti-tuberculosis activity. JNJ-6640 exhibits bactericidal activity against Mycobacterium tuberculosis in vitro, with an MIC90 of 8.6 nM. JNJ-6640 disrupts de novo purine biosynthesis, inhibits M. tuberculosis DNA replication in vivo. JNJ-6640 exhibits anti-tuberculosis efficacy in acutely infected mice. JNJ-6640 can be used for the study of tuberculosis.

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.