Impurity Reference Standard - Products

Risperidone

CAT No: CL-RPD-01 CAS No: 106266-06-2 Mol Wt: 410.5 Mol F: C23H27FN4O2 Inv Status: In Stock

Chemical Name: 3-(2-(4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl)ethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

Risperidone EP Impurity C

CAT No: CL-RPD-02 CAS No: 144598-75-4 Mol Wt: 426.5 Mol F: C23H27FN4O3 Inv Status: In Stock

Chemical Name: (9RS)-3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Risperidone EP Impurity M

CAT No: CL-RPD-03 CAS No: 84163-13-3 Mol Wt: 220.2 : 36.5 Mol F: C12H13FN2O : HCl Inv Status: In Stock

Chemical Name: 6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride

Risperidone EP Impurity H

CAT No: CL-RPD-04 CAS No: 158697-67-7 Mol Wt: 415.5 Mol F: C23H27F2N3O2 Inv Status: In Stock

Chemical Name: 3-[2-[4-(2,4-Difluorobenzoyl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Risperidone Difluorobenzoyl Impurity

CAT No: CL-RPD-05 CAS No: 106266-04-0 Mol Wt: 225.2 : 36.5 Mol F: C12H13F2NO : HCl Inv Status: In Stock

Chemical Name: 4-(2,4-Difluorobenzoyl)-piperidine HCl

Risperidone EP Impurity L

CAT No: CL-RPD-06 CAS No: 63234-80-0 Mol Wt: 226.7 Mol F: C11H15ClN2O Inv Status: In Stock

Chemical Name: 3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido-(1,2-a)-pyrimidin-4-one

Risperidone EP Impurity F

CAT No: CL-RPD-07 CAS No: 1346603-86-8 Mol Wt: 454.5 Mol F: C24H27FN4O4 Inv Status: In Stock

Chemical Name: 2-[2-Methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a] pyrimidin-3-yl] ethyl 4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-carboxylate

Risperidone Hydroxyethyl Impurity

CAT No: CL-RPD-21 CAS No: 66698-27-9 Mol Wt: 208.3 Mol F: C11H16N2O2 Inv Status: Custom Synthesis

Chemical Name: 3-(2-Hydroxyethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido-(1,2-a)-pyrimidin-4-one

Risperidone 6-Methyl Chloroethyl Impurity

CAT No: CL-RPD-24 CAS No: NA Mol Wt: 240.7 Mol F: C12H17ClN2O Inv Status: Custom Synthesis

Chemical Name: 3-(2-chloroethyl)-2,6-dimethyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Bicyclo Risperidone

CAT No: CL-RPD-25 CAS No: 2231638-02-9 Mol Wt: 411.5 : 126.9 Mol F: C23H28FN4O2 : I Inv Status: Custom Synthesis

Chemical Name: 3-(4-fluoro-2-hydroxyphenyl)-1-(2-(2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-3-yl)ethyl)-1,2-diazabicyclo[2.2.2]oct-2-en-1-ium iodide

Risperidone Quaternary Salt

CAT No: CL-RPD-26 CAS No: NA Mol Wt: 601.8 Mol F: C34H42FN6O3 Inv Status: Custom Synthesis

Chemical Name: 4-(6-fluorobenzo[d]isoxazol-3-yl)-1,1-bis(2-(2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-3-yl)ethyl)piperidin-1-ium

Risperidone Trans N-Oxide

CAT No: CL-RPD-27 CAS No: NA Mol Wt: 426.5 Mol F: C23H27FN4O3 Inv Status: In Stock

Chemical Name: (1r,4s)-4-(6-fluorobenzo[d]isoxazol-3-yl)-1-(2-(2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-3-yl)ethyl)piperidine 1-oxide

Risperidone Cis-N-Oxide

CAT No: CL-RPD-28 CAS No: NA Mol Wt: 426.5 Mol F: C23H27FN4O3 Inv Status: Custom Synthesis

Chemical Name: (1s,4r)-4-(6-fluorobenzo[d]isoxazol-3-yl)-1-(2-(2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-3-yl)ethyl)piperidine 1-oxide

Risperidone Synthetic Impurity

CAT No: CL-RPD-29 CAS No: 898542-33-1 Mol Wt: 422.5 Mol F: C24H27FN4O2 Inv Status: Custom Synthesis

Chemical Name: 3-(2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2-methyl-9-methylene-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Risperidone Isomer Degradation Product

CAT No: CL-RPD-30 CAS No: 1005191-81-0 Mol Wt: 410.5 Mol F: C23H27FN4O2 Inv Status: Custom Synthesis

Chemical Name: 3-(2-(4-(6-fluorobenzo[d]oxazol-2-yl)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Risperidone Degradation Product

CAT No: CL-RPD-31 CAS No: 832747-59-8 Mol Wt: 190.3 Mol F: C11H14N2O Inv Status: Custom Synthesis

Chemical Name: 2-methyl-3-vinyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

7-Fluoro Risperidone

CAT No: CL-RPD-59 CAS No: NA Mol Wt: 410.5 Mol F: C23H27FN4O2 Inv Status: Custom Synthesis

Chemical Name: 3-(2-(4-(7-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Desfluoro Risperidone EP Impurity F

CAT No: CL-RPD-60 CAS No: NA Mol Wt: 436.5 Mol F: C24H28N4O4 Inv Status: Custom Synthesis

Chemical Name: 2-(2-Methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-3-yl)ethyl 4-(benzo[d]isoxazol-3-yl)piperidine-1-carboxylate

Risperidone Impurity 6

CAT No: CL-RPD-61 CAS No: 1199589-70-2 Mol Wt: 212.7 : 36.5 Mol F: C11H17ClN2 : HCl Inv Status: Custom Synthesis

Chemical Name: 3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidine hydrochloride

(R)-9-Hydroxyrisperidone D4

CAT No: CL-RPD-62 CAS No: NA Mol Wt: 430.5 Mol F: C23H23D4FN4O3 Inv Status: Custom Synthesis

Chemical Name: (R)-3-(2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl-1,1,2,2-d4)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

(S)-9-Hydroxyrisperidone D4

CAT No: CL-RPD-63 CAS No: NA Mol Wt: 430.5 Mol F: C23H23D4FN4O3 Inv Status: Custom Synthesis

Chemical Name: (S)-3-(2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl-1,1,2,2-d4)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

7-Hydroxy Risperidone D4

CAT No: CL-RPD-64 CAS No: 1215454-04-8 Mol Wt: 430.5 Mol F: C23H23D4FN4O3 Inv Status: Custom Synthesis

Chemical Name: 3-(2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl-1,1,2,2-d4)-7-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Risperidone D4

CAT No: CL-RPD-65 CAS No: 1020719-76-9 Mol Wt: 414.5 Mol F: C23H23D4FN4O2 Inv Status: Custom Synthesis

Chemical Name: 3-(2-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl-1,1,2,2-d4)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Risperidone D6

CAT No: CL-RPD-66 CAS No: 1225444-65-4 Mol Wt: 416.5 Mol F: C23H21D6FN4O2 Inv Status: Custom Synthesis

Chemical Name: 3-(2-(4-(6-Fluorobenzo[d]isoxazol-3-yl-7-d)piperidin-1-yl)ethyl)-2-(methyl-d3)-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one-9,9-d2

Type:Impurity Reference Standard

API NAME:Risperidone

Total Products: 24

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