Solifenacin Impurity I

Name	Solifenacin N-Oxide
Synonyms	Solifenacin N-Oxide N-oxide-solifenacin Solifenacin Impurity I Solifenacin EP Impurity I (R)-3-(((S)-1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)oxy)quinuclidine 1-oxide (1R,3R,4R)-3-((1-phenyl-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)oxy)quinuclidine 1-oxide (1S)-3,4-dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic Acid (3R)-1-Oxido-1-azabicyclo[2.2.2]oct-3-yl Ester (3R)-3-[[(1S)-1-phenyl-3,4-dihydroisquinoline-2(1H)-carbonyl]oxy]-1-azabicyclo[2.2.2]octane 1-oxide(solifenacin N oxide)
CAS	180272-28-0

Molecular Formula	C23H26N2O3
Molar Mass	378.46
Melting Point	>103°C (dec.)
Solubility	DMSO (Slightly, Heated), Methanol (Slightly)
Appearance	Solid
Color	White to Light Beige
Storage Condition	-20°C Freezer
Stability	Very Hygroscopic