Homocitrulline is a metabolite that can be detected in larger amounts in the urine of individuals with urea cycle disorders. The accumulation of carbamyl phosphate due to a depleted supply of ornithine for the urea cycle may be responsible for the enhanced synthesis of homocitrulline and homoarginine in some cases.

Potent and selective bradykinin B1 receptor antagonist (pA2 = 8.49). Displays no activity at B2 receptors. Reduces mechanical hypernociception in a mouse model of neuropathic pain. Metabolically stable.

5-ROX, a rhodamine dye, exhibits strong fluorescence property in aqueous buffer with the λexit of 580 nm (ε=3.6×10^4/(M·cm)), and λemit of 604 nm (?=0.94).