CAS 21881-78-7
:3,5-Bis(1-methylethyl) 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylate
- 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, bis(1-methylethyl) ester
- 3,5-Bis(1-methylethyl) 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylate
- 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(m-nitrophenyl)-, diisopropyl ester
- 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 3,5-bis(1-methylethyl) ester
- 2,6-Dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid diisopropyl ester
Diisopropyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate (Nimodipine Impurity)
CAS:Diisopropyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate (Nimodipine Impurity)Purity:98%Nimodipine EP Impurity B
CAS:Formula:C21H26N2O6Color and Shape:Pale Yellow SolidMolecular weight:402.45Bis(1-methylethyl) 2,6-Dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
CAS:Controlled ProductFormula:C21H26N2O6Color and Shape:NeatMolecular weight:402.443-Des(2-methoxyethyl) 3-(1-Methylethyl) Ester Nimodipine
CAS:Controlled ProductImpurity Nimodipine EP Impurity B
Applications 3-Des(2-methoxyethyl) 3-(1-Methylethyl) Ester Nimodipine (Nimodipine EP Impurity B) can be used in synthetic preparation of dihydropyridinedicarboxylic acid esters by methylimidazolium trifluoroacetate-catalyzed Hantzsch cyclocondensation reaction of oxo-carboxylic acid esters with aldehydes and ammonium acetate. It can also be used as an analyte for analytical study in developing and optimizing a validated isocratic reversed-phase high-performance liquid chromatograhy separation of nimodipine and impurities in tablets using experimental. design methodology. It is an impurity of the drug Nimodipine (N478200).
References Avalani, J. R., et al.: J. Chem. Sci., 124, 1091-1096 (2012); Barmpalexis, P., et al.: J. Pharmaceut. Biomed., 49, 1192-1202 (2009)Formula:C21H26N2O6Color and Shape:NeatMolecular weight:402.44(RS)-Di-isopropyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate
CAS:Di-isopropyl 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate is a metabolite of gatifloxacin. It is a natural product and its CAS number is 21881-78-7. Diisopropyl 1,4-dihydro 2,6-dimethyl 4-(3 nitrophenyl) pyridine 3,5 di carboxylate is an impurity standard for gatifloxacin. It has been synthesized and can be custom made to meet the pharmacopeia or API impurity requirements for drug development. The purity of this compound ranges from 98% to 100%. This compound is used in HPLC standards for research and development purposes such as metabolism studies.Formula:C21H26N2O6Purity:Min. 95%Color and Shape:White PowderMolecular weight:402.44 g/mol





