paliperidone and its Impurities
Paliperidone is used for the treatment of schizophrenia and schizoaffective disorder. It is sold under the brand name Invega. Reference standards of Paliperidone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one Hydrochloride
3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one Hydrochloride
Catalogue No.:PA 16 02510
CAS :
849727-64-6
Molecular Formula : C11H17ClN2O2
Molecular Weight : 244.72
3-(2-(4-(4-Fluoro-2-hydroxybenzoyl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
3-(2-(4-(4-Fluoro-2-hydroxybenzoyl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
Catalogue No.:PA 16 02600
CAS :
152542-03-5
Molecular Formula : C23H28FN3O4
Molecular Weight : 429.48
Paliperidone Related Compound A (3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-alpha] (1491818)
Paliperidone Related Compound A (3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-alpha] (1491818)
Catalogue No.:PA USP1491818
CAS :
849903-79-3
Molecular Formula : NA
Molecular Weight : NA
Paliperidone Related Compound B (6-fluoro-3-(piperidin-4-yl)benzoisoxazole hydrochloride) (1491820)
Paliperidone Related Compound B (6-fluoro-3-(piperidin-4-yl)benzoisoxazole hydrochloride) (1491820)
Catalogue No.:PA USP1491820
CAS :
84163-13-3
Molecular Formula : NA
Molecular Weight : NA
Paliperidone Related Compound C (3-(2-Chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[ (1491831)
Paliperidone Related Compound C (3-(2-Chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[ (1491831)
Catalogue No.:PA USP1491831
CAS :
130049-82-0
Molecular Formula : NA
Molecular Weight : NA
Paliperidone Related Compound D (3-{2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl) piperidin-1-yl]ethyl}-9-h (1491842)
Paliperidone Related Compound D (3-{2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl) piperidin-1-yl]ethyl}-9-h (1491842)
Catalogue No.:PA USP1491842
CAS :
761460-08-6
Molecular Formula : NA
Molecular Weight : NA
9-(Acetyloxy)-3-(2-chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
9-(Acetyloxy)-3-(2-chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
Catalogue No.:PA 16 0021002
CAS :
1117803-76-5
Molecular Formula : C13H17ClN2O3
Molecular Weight : 284.74
3-(2-Chloroethyl)-2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-9-yl Palmitate
3-(2-Chloroethyl)-2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-9-yl Palmitate
Catalogue No.:PA 16 0021007
CAS :
1415488-05-9
Molecular Formula : C27H45ClN2O3
Molecular Weight : 481.12
3-(2-(4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-9-(2-oxopropyl)-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
3-(2-(4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-9-(2-oxopropyl)-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
Catalogue No.:PA 16 0021008
CAS :
NA
Molecular Formula : C26H31FN4O4
Molecular Weight : 482.56
3-(2-(4-(4-Fluoro-2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)benzoyl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
3-(2-(4-(4-Fluoro-2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)benzoyl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
Catalogue No.:PA 16 0021009
CAS :
2379324-96-4
Molecular Formula : C35H39F2N5O4
Molecular Weight : 631.71
(E)-3-(2-(4-((4-Fluoro-2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)phenyl)(hydroxyimino)methyl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
(E)-3-(2-(4-((4-Fluoro-2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)phenyl)(hydroxyimino)methyl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
Catalogue No.:PA 16 0021010
CAS :
NA
Molecular Formula : C35H40F2N6O4
Molecular Weight : 646.73
Tetradecanoic Acid 3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4-oxo-4H-pyrido[1,2a]pyrimidin-9-yl ester
Tetradecanoic Acid 3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4-oxo-4H-pyrido[1,2a]pyrimidin-9-yl ester
Catalogue No.:PA 16 0021013
CAS :
1172995-11-7
Molecular Formula : C37H53FN4O4
Molecular Weight : 636.85
Octadecanoic acid 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-9-yl ester
Octadecanoic acid 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-9-yl ester
Catalogue No.:PA 16 0021014
CAS :
1172995-13-9
Molecular Formula : C41H61FN4O4
Molecular Weight : 692.96
3-(2-(4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-9-yl heptadecanoate
3-(2-(4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-9-yl heptadecanoate
Catalogue No.:PA 16 0021017
CAS :
1404053-62-8
Molecular Formula : C40H59FN4O4
Molecular Weight : 678.93
