Risperidone
IMPURITY E (EP)
-
Code
RIS_5
-
CAS
1346602-28-5
-
MW
424.51
-
IUPAC
(6RS)-3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2,6-dimethyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-alpha]pyrimidin-4-one
-
MF
C24H29FN4O2
-
Stock
2-3 weeks
IMPURITY F (EP)
-
Code
RIS_6
-
CAS
1346603-86-8
-
MW
454.49
-
IUPAC
2-[2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-alpha] pyrimidin-3-yl]ethyl-4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-carboxylate
-
MF
C24H27FN4O4
-
Stock
2-3 weeks
IMPURITY H (EP)
-
Code
RIS_7
-
CAS
158697-67-7
-
MW
415.48
-
IUPAC
3-[2-[4-(2,4-difluorobenzoyl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-alpha]pyrimidin-4-one
-
MF
C23H27F2N3O2
-
Stock
1-2 months
IMPURITY L (EP)
-
Code
RIS_11
-
CAS
63234-80-0
-
MW
226.7
-
IUPAC
3-(2-chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-alpha]pyrimidin-4-one
-
MF
C11H15ClN2O
-
Stock
2-3 weeks
IMPURITY M (EP)
-
Code
RIS_12
-
CAS
84163-77-9
-
MW
220.24
-
IUPAC
6-fluoro-3-(piperidin-4-yl)-1,2-benzisoxazole
-
MF
C12H13FN2O
-
Stock
2-3 weeks
CIS-N-OXIDE (USP)
-
Code
RIS_15
-
CAS
N/A
-
MW
426.48
-
IUPAC
cis-3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-alpha]pyrimidin-4-one N-oxide]
-
MF
C23H27FN4O3
-
Stock
2-3 weeks
IMPURITY M HYDROCHLORIDE
-
Code
RIS_16
-
CAS
84163-13-3
-
MW
256.7
-
IUPAC
6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride
-
MF
C12H14ClFN2O
-
Stock
2-3 weeks