Paliperidone

Paliperidone (E)-Oxime Paliperidone (E)-Oxime:

3-[2-[4-[(E)-(2,4-Difluorophenyl)(hydroxyimino) methyl]piperidin-1-yl]ethyl]-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one ; CAS : 1388021-46-2 ; C23H28F2N4O3 ; MW: 446.49
Paliperidone (Z)-Oxime Paliperidone (Z)-Oxime :

3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyimino) methyl]piperidin-1-yl]ethyl]-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one ; CAS : 1388021-47-3 ; C23H28F2N4O3 ; MW: 446.49 ;
Paliperidone 5-Fluoro Isomer Paliperidone 5-Fluoro Isomer:

3-[2-[4-(5-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one ; CAS : 1346598-34-2 ;

C23H27FN4O3 ; MW: 426.48
Paliperidone 9-Keto Impurity Paliperidone 9-Keto Impurity :

9-Keto Paliperidone ; 9-Keto Risperidone ; 9-Oxo Risperidone ; CAS : 1189516-65-1 ; C23H25FN4O3 ; MW: 424.47 ;
Paliperidone Paliperidone:

9-Hydroxy Risperidone ; CAS : 144598-75-4 ; C23H27FN4O3 ; MW: 426.48 ;
Paliperidone Desfluoro Impurity Paliperidone Desfluoro Impurity :

3-[2-[4-(1,2-Benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one ; CAS : 1380413-60-4 ; C23H28N4O3 ; MW: 408.49 ;
Paliperidone R-Isomer Paliperidone R-Isomer :

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9(R)-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one ; CAS : 130049-85-3 ;

C23H27FN4O3 ; MW: 426.48 ;
Paliperidone S-Isomer Paliperidone S-Isomer :

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9(S)-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one ; CAS : 147663-01-2 ; C23H27FN4O3 ; MW: 426.48 ;
Paliperidone Tetradehydro Impurity Paliperidone Tetradehydro Impurity:

6,7,8,9-Dehydro Paliperidone ; 6,7,8,9-Dehydro 9-Hydroxy Risperidone ; CAS : 170359-61-2 ; C23H23FN4O3 ; MW: 422.45 ;
Paliperidone RC A Paliperidone  RC A :

Paliperidone Ethyl Impurity ; 3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido [1,2-a]pyrimidin-4-one hydrochloride ; CAS : 849903-79-3 (base) ; 849727-64-6 (HCl salt) ; C11H16N2O2 (base); MW: 208.26 ;
Paliperidone RC B Paliperidone  RC B:

Paliperidone Amine Impurity ; Risperidone EP Impurity M ; 6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride ; CAS : 84163-13-3 ; C12H14ClFN2O ; MW: 256.7 ;
Paliperidone RC C Paliperidone  RC C:

Paliperidone Chloroethyl Impurity ; 3-(2-Chloroethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido-(1,2-a)-pyrimidin-4-one ; CAS : 130049-82-0 ; C11H15ClN2O2 ; MW: 242.70 ;
Paliperidone RC D Paliperidone  RC D:

Paliperidone N-Oxide ; CAS : 761460-08-6 ;  C23H27FN4O4 ;MW: 442.48 ;