Tenidap, also known as CP-66248, is a COX/5-LOX inhibitor and cytokine-modulating anti-inflammatory drug candidate that was under development by Pfizer as a promising potential treatment for rheumatoid arthritis, but Pfizer halted development after marketing approval was rejected by the FDA in 1996 due to liver and kidney toxicity, which was attributed to metabolites of the drug with a thiophene moiety that caused oxidative damage.

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.