|  | |  |  | 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one Basic information | 
 | Product Name: | 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one |  | Synonyms: | 3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]-pyrididine-4-one (intermediate of Risperidone);3-(2-CHLOROETHYL)-2-METHYL-6,7,8,9-TETRAHYDRO-4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE;3-(2-CHLORO-ETHYL)-2-METHYL-6,7,8,9-TETRAHYDRO-PYRIDO[1,2-A]PYRIMIDIN-4-ONE;3-(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRIDINO[1,2-A]PYRIMIDINE-4-ONE;3-(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRIDO(1,2A)PYRIMIDINE-4-ONE;3-(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRLDO[1,2-A]PYRIMDIN-4-ONE;3-2(2-chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-alpha]pyrimnidin-4-one;3-2(2-CHLOROETHYL)-6,7,8,9-TETRAHYDRO-2-METHYL-4H-PYRIDO[1,2-A]PYRIMDIN-4-ONE |  | CAS: | 63234-80-0 |  | MF: | C11H15ClN2O |  | MW: | 226.7 |  | EINECS: | 613-192-1 |  | Product Categories: | Bases & Related Reagents;Intermediates & Fine Chemicals;Nucleotides and Nucleosides;Nucleotides;Pharmaceuticals;Intermediates;(intermediate of Risperidone) |  | Mol File: | 63234-80-0.mol |  | ![3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one Structure](CAS/GIF/63234-80-0.gif) | 
|  |  | 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one Chemical Properties | 
 | Melting point | 68.5-69.5 °C |  | Boiling point | 337 °C |  | density | 1.30 |  | Fp | 157 °C |  | storage temp. | Sealed in dry,Room Temperature |  | solubility | Chloroform (Slightly), Methanol (Slightly) |  | form | Solid |  | pka | 3.58±0.70(Predicted) |  | color | White to Off-White |  | InChIKey | CMWCQQUYLPYOMY-UHFFFAOYSA-N |  | CAS DataBase Reference | 63234-80-0(CAS DataBase Reference) | 
| Hazard Codes | T |  | Risk Statements | 25 |  | Safety Statements | 45 |  | HS Code | 2933.99.9701 |  | HazardClass | IRRITANT | 
|  |  | 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one Usage And Synthesis | 
 | Chemical Properties | White Solid |  | Uses | 3-(2-Chloroethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one (Risperidone EP Impurity L) is an intermediate in the synthesis of Risperidone (R525000), which is a combined serotonin (5-HT2) and dopamine (D2) receptor antagonist. | 
|  |  | 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one Preparation Products And Raw materials | 
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