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ChemicalBook >> CAS DataBase List >>3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one

3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one

3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Structure
3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one structure
CAS No.
132961-05-8
Chemical Name:
3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one
Synonyms
Risperidone Z-Oxime;Risperidone EP Imp B;Risperidone IMpurity B;Risperidone Impurity1282;Risperidone EP IMpurity B;Risperidone Z-OxiMe IMpurity;Risperidone Impurity B (Z-Isomer);3-[2-[4-[(Z)-(2,4-Difluorophenyl)(h;Risperidone Impurity 1(Risperidone EP Impurity B);Risperidone EP Impurity B (Risperidone Z-Oxime Impurity)
CBNumber:
CB32621048
Molecular Formula:
C23H28F2N4O2
Molecular Weight:
430.49
MDL Number:
MOL File:
132961-05-8.mol
MSDS File:
SDS
Last updated:2026-05-28 01:08:59
Request For Quotation

3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Properties

Boiling point 569.0±60.0 °C(Predicted)
Density 1.34±0.1 g/cm3(Predicted)
vapor pressure 0-0Pa at 20-25℃
solubility Chloroform (Slightly), Methanol (Slightly)
form Solid:particulate/powder
pka 11.20±0.28(Predicted)
Major Application pharmaceutical small molecule
LogP 0.6-2.1 at 20℃ and pH6.9-10.4
FDA UNII 2D16ZRA893

SAFETY

Risk and Safety Statements

Symbol(GHS)  Health Hazard (GHS08)Skull and Crossbones (GHS06)
GHS08,GHS06
Signal word  Danger
Hazard statements  H317-H412-H301-H373
Precautionary statements  P261-P272-P280-P302+P352-P333+P313-P321-P363-P501-P273-P501-P260-P314-P501-P264-P270-P301+P310-P321-P330-P405-P501
REACH Registrations Active

3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC TRC-R525016-25MG Risperidone Z-Oxime Impurity 132961-05-8 25mg $1821 2026-06-03 Buy
TRC TRC-R525016-2.5MG Risperidone Z-Oxime Impurity 132961-05-8 2.5mg $235 2026-06-03 Buy
Usbiological 020682 Risperidone Z-Oxime Impurity 132961-05-8 2.5mg $509 2026-06-03 Buy
Biosynth HFA96105 Risperidone Z-Oxime Impurity 132961-05-8 1mg $900 2026-06-04 Buy
Biosynth HFA96105 Risperidone Z-Oxime Impurity 132961-05-8 2mg $900 2026-06-04 Buy
Product number Packaging Price Buy
TRC-R525016-25MG 25mg $1821 Buy
TRC-R525016-2.5MG 2.5mg $235 Buy
020682 2.5mg $509 Buy
HFA96105 1mg $900 Buy
HFA96105 2mg $900 Buy

3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Chemical Properties, Uses, Production

Uses

Risperidone Z-Oxime is an impurity of Risperidone (R525000). Risperidone impurity per USP.

3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Preparation Products And Raw materials

Raw materials

Preparation Products

3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one Suppliers

Global Suppliers ( 74)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-4000505016 13380397412 3001272453@qq.com China 4999 50
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Finetech Industry Limited 027-87465837 19945049750 sales@finetechnology-ind.com China 9329 58
Nanjing XiZe Biotechnology CO., Ltd. 025-66023220 15250997978 1511893459@qq.com China 4776 55
BOC Sciences 16314854226 info@bocsci.com United States 9909 65
Tonichem Pharmaceutical Technology Co., Ltd. +86 (0752) 222-7171, +86 15815821171 China 1117 58
Roark Standards 0755-83552066 15986688328 service@roarkstandards.com China 1442 58
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Chemsky（shanghai）International Co.,Ltd. 50
S.Z. PhyStandard Bio-Tech. Co., Ltd. 50
Quality Control Solutions Ltd. 56
Finetech Industry Limited 58
Nanjing XiZe Biotechnology CO., Ltd. 55
BOC Sciences 65
Tonichem Pharmaceutical Technology Co., Ltd. 58
Roark Standards 58
Amadis Chemical Company Limited 58

View Latest Price from 3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Risperidone EP Impurity B pictures 2026-03-12 Risperidone EP Impurity B
132961-05-8
 10mg 0.98 10g ShenZhen H&D Pharmaceutical Technology Co., LTD

132961-05-8 (3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one) Related Search:

Risperidal iMpurity B Risperidone EP Impurity F 5-Fluoro Risperidone Risperidone E-Oxime 3-[2-[4-[4-Fluoro-2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]benzolyl]piperidin-1-yl]ethyl-2-Methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyriMidin-4-one (Risperidone IMpurity)
6-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 6-Fluoro-3-[1-bis-[2-(methyl-6,7,8,9-tetrahydropyridol[1,2,a]pyrimidin-4-one-3-yl)ethyl]piperidinium]benzisoxazole Iodide Desfluoro Risperidone 6-Methyl Risperidone
Paliperidone Risperidone 3-[2-[4-[(Z)-(4-Fluoro-2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl)phenyl](hydroxyiMino)Methyl]piperidin-1-yl]ethyl]-2-Methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyriMidin-4-one (Risperidone IMpurity) R 72111 5-chloro-N-(4-((S)-5-((5-chlorothiophene-2-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)-N-(2-(2-oxo-2-((((S)-2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)amino)ethoxy)ethyl)thiophene-2-carboxamide
Risperidone Pyrimidinone-N-oxide 6-Fluoro-3-(1,2,3,6-tetra... Risperidone N-Oxide

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Risperidone Z-OxiMe IMpurity Risperidone IMpurity B Risperidone EP IMpurity B 3-[2-[4-[(Z)-(2,4-difluorophenyl)(hydroxyimino)methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one (Z)-3-(2-(4-((2,4-difluorophenyl)(hydroxyimino)methyl)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one Risperidone Impurity 1(Risperidone EP Impurity B) 3-[2-[4-[(Z)-C-(2,4-difluorophenyl)-N-hydroxycarbonimidoyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one Risperidone EP Imp B Risperidone impurity 2/Risperidone EP Impurity B/Risperidone Z-Oxime/3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyimino) methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one 3-[2-[4-[(Z)-(2,4-Difluorophenyl)(h Risperidone Impurity B (Z-Isomer) 4H-Pyrido[1,2-a]pyrimidin-4-one, 3-[2-[4-[(Z)-(2,4-difluorophenyl)(hydroxyimino)methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl- Risperidone EP Impurity B (Risperidone Z-Oxime Impurity) Risperidone Impurity1282 Risperidone Z-Oxime (Z)-3-(2-(4-((2,4-Difluorophenyl)(hydroxyimino)methyl)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one (Risperidone Impurity) 3-[2-[4-[(z)-(2,4-Difluorophenyl)-(hydroxyimino)methyl]piperidin-1-yl]-ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyiMino)Methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-Methyl-4H-pyrido[1,2-a]pyriMidin-4-one 3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyimino)methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahy Risperidone EP Impurity B/ Risperidone BP Impurity B/ Risperidone Z-Oxime 132961-05-8 Heterocycles Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals Aromatics