pregabalin and its Impurities
Pregabalin is used to treat epilepsy, neuropathic pain, fibromyalgia, restless leg syndrome, and generalized anxiety disorder. Pregabalin, marketed under the brand name Lyrica. It is available as a generic medication.Reference standards of Pregabalin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(S)-4-Isobutyl-1-(((2R,3S,4R,5R)-2,3,5-trihydroxy-4-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)methyl)pyrrolidin-2-one
(S)-4-Isobutyl-1-(((2R,3S,4R,5R)-2,3,5-trihydroxy-4-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)methyl)pyrrolidin-2-one
Catalogue No.:PA 16 0461025
CAS :
466678-46-6
Molecular Formula : C20H35NO11
Molecular Weight : 465.5


Hexanoic acid, 3-(Aminomethyl)-5-methyl-, 1-Methylethyl ester, Hydrochloride (1:1), (3S)-
Hexanoic acid, 3-(Aminomethyl)-5-methyl-, 1-Methylethyl ester, Hydrochloride (1:1), (3S)-
Catalogue No.:PA 16 0461026
CAS :
1239692-16-0
Molecular Formula : C11H24ClNO2
Molecular Weight : 237.77


(R)-4-Isobutyl-1-(((2R,3S,4R,5R)-2,3,5-trihydroxy-4-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)methyl)pyrrolidin-2-one
(R)-4-Isobutyl-1-(((2R,3S,4R,5R)-2,3,5-trihydroxy-4-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)methyl)pyrrolidin-2-one
Catalogue No.:PA 16 0461032
CAS :
501666-24-6
Molecular Formula : C20H35NO11
Molecular Weight : 465.5


(S)-4-Isobutyl-1-(((2R,3S,4S,5R)-2,3,4,5-tetrahydroxytetrahydro-2H-pyran-2-yl)methyl)pyrrolidin-2-one
(S)-4-Isobutyl-1-(((2R,3S,4S,5R)-2,3,4,5-tetrahydroxytetrahydro-2H-pyran-2-yl)methyl)pyrrolidin-2-one
Catalogue No.:PA 16 0461038
CAS :
466678-50-2
Molecular Formula : C14H25NO6
Molecular Weight : 303.36


(R)-4-Isobutyl-1-(((2R,3S,4R,5R)-2,3,4,5-tetrahydroxytetrahydro-2H-pyran-2-yl)methyl)pyrrolidin-2-one
(R)-4-Isobutyl-1-(((2R,3S,4R,5R)-2,3,4,5-tetrahydroxytetrahydro-2H-pyran-2-yl)methyl)pyrrolidin-2-one
Catalogue No.:PA 16 0461056
CAS :
501666-25-7
Molecular Formula : C14H25NO6
Molecular Weight : 303.36