CAS 1534326-81-2: ((S)-1-phenyl-3,4-dihydroisoquinolin-2(1H)-yl)(1-phenyl-3,4-dihydroisoquinolin-2(1H)-yl)methanone

Applications Bis[(1S)-3,4-dihydro-1-phenyl-2(1H)-isoquinolinyl]-methanone is a possible impurity of solifenacin (S676700) which is a muscarinic M3 receptor antagoinst. Solifenacin is used in treatment of urinary incontinence. References Ikeda K., et al.: Arch. Pharmacol., 366, 97, (2002); Chapple, C.R., et al.: Br. J. Urol., 93, 303 (2004); Ohtake, A., et al.: Eur. J. Pharmacol., 492, 243 (2004); Brunton, S., et al.: Curr. Med. Res. Opin., 21, 71 (2005); Habb, F., et al.: Eur. Urol. 47, 376 (2005); Payne, C.K., et al.: Drugs, 66, 175 (2006)

Solifenacin impurity C is an impurity that is found in the drug product Solifenacin. It has been shown to be a natural metabolite and has been detected in human urine. Solifenacin impurity C is used as an analytical standard for HPLC analyses of solifenacin, and can also be used as a reference material for pharmacopoeia. The purity of this compound is 99%.