70381-58-7

Basic information

• Product Name: 3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-α]pyrimidin-4-one (Risperidone Impurity)
• Synonyms: 3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-α]pyrimidin-4-one (Risperidone Impurity);3-Ethyl-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-α]pyrimidin-4-one;Risperidone Impurity;3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one(Risperidone Impurity);3-Ethyl-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one;Risperidone Ethyl Impurity;3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one;Risperidone Impurity 23
• CAS NO: 70381-58-7
• Molecular Formula: C11H16N2O
• Molecular Weight: 192.26
• Product Categories: Chemical Impurities;Bases & Related Reagents;Impurities;Intermediates & Fine Chemicals;Nucleotides;Pharmaceuticals
• Mol File: 70381-58-7.mol
• Article Data: 2

Chemical Properties

• Melting Point: 68-70?C
• Boiling Point: 146-148 °C(Press: 6 Torr)
• Appearance: /
• Density: 1.17±0.1 g/cm3(Predicted)
• Storage Temp.: Refrigerator
• Solubility: Chloroform (Slightly), Methanol (Slightly)
• PKA: 3.89±0.70(Predicted)
• CAS DataBase Reference: 3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-α]pyrimidin-4-one (Risperidone Impurity)(CAS DataBase Reference)
• NIST Chemistry Reference: 3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-α]pyrimidin-4-one (Risperidone Impurity)(70381-58-7)
• EPA Substance Registry System: 3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-α]pyrimidin-4-one (Risperidone Impurity)(70381-58-7)

Safety Data

• Hazardous Substances Data: 70381-58-7(Hazardous Substances Data)

Usage

Uses

Risperidone impurity

Upstream product

• 16867-31-5 3-ethyl-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one 

Relevant articles and documents

Pyrido[1,2-A]pyrimidine derivatives and method of analgesic treatment

Compounds of the formula STR1 or pharmaceutically acceptable acid-addition or quaternart ammonium salts thereof wherein R is hydroxy, carboxy, lower alkoxycarbonyl, benzyloxycarbonyl, phenoxycarbonyl, carbamoyl, N-loweralkyl-carbamoyl, N,N-dilower-alkyl-carbamoyl, carboazido, carbohydrazido or cyano; R2 is C1 to C6 alkyl; R3 is C1 to C6 alkyl or benzyl; and R4 is a single electron pair, hydrogen or lower alkyl; and the dotted lines represent saturated or unsaturated bonds, are disclosed with analgesic properties.