无锡鸣鹭医药科技有限公司

Felodipine EP Impurity A (Felodipine USP Related Compound A)
3-ethyl 5-methyl 4-(2,3-dichlorophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate

MF:C₁₈H₁₇Cl₂NO₄| MW:382.24 | CAS:96382-71-7

Felodipine Impurity 1 (Mixture of Enol and Ketone Isomers)
diethyl 2,4-diacetyl-3-(2,3-dichlorophenyl)pentanedioate and diethyl 2-acetyl-3-(2,3-dichlorophenyl)-4-(1-hydroxyethylidene)pentanedioate

MF:C₁₉H₂₂Cl₂O₆| MW:417.28 |

Felodipine Impurity 2
1,1'-((2,3-dichlorophenyl)methylene)dipiperidine

MF:C₁₇H₂₄Cl₂N₂| MW:327.29 |

MF:C₁₈H₂₃Cl₂NO₃| MW:372.29 |

Felodipine EP Impurity A N-Oxide (Felodipine USP Related Compound A N-Oxide)
4-(2,3-dichlorophenyl)-3-(ethoxycarbonyl)-5-(methoxycarbonyl)-2,6-dimethylpyridine 1-oxide

MF:C₁₈H₁₇Cl₂NO₅| MW:398.24 |

2,3-Dichlorobenzyl Chloride
1,2-dichloro-3-(chloromethyl)benzene

MF:C₇H₅Cl₃| MW:195.47 | CAS:3290-01-5

MF:C₁₈H₁₈Cl₂N₂O₅| MW:413.25 |

Felodipine
3-ethyl 5-methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

MF:C₁₈H₁₉Cl₂NO₄| MW:384.25 | CAS:72509-76-3

Felodipine-d5
3-(ethyl-d5) 5-methyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

MF:C₁₈H₁₄D₅Cl₂NO₄| MW:389.29 | CAS:1242281-38-4

Felodipine EP Impurity A-d5 (Felodipine USP Related Compound A-d5)
3-(ethyl-d5) 5-methyl 4-(2,3-dichlorophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate

MF:C₁₈H₁₂Cl₂NO₄D₅| MW:387.27 | CAS:2748492-13-7

MF:

C18H16Cl2NO4D3| MW:391.24 | CAS:72509-76-3 (non-d)

Felodipine Metabolite (5-Carboxy-6-Hydroxymethyl-Dehydro Felodipine)
4-(2,3-Dichlorophenyl)-5-(ethoxycarbonyl)-2-(hydroxymethyl)-6-methylnicotinic acid

MF:C₁₇H₁₅Cl₂NO₅| MW:384.21 | CAS:96558-29-1

Felodipine Metabolite Lactone
ethyl 4-(2,3-dichlorophenyl)-2-methyl-5-oxo-5,7-dihydrofuro[3,4-b]pyridine-3-carboxylate

MF:C₁₇H₁₃Cl₂NO₄| MW:366.19 | CAS:96558-27-9

Felodipine EP Impurity B
dimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

MF:C₁₇H₁₇Cl₂NO₄| MW:370.23 | CAS:91189-59-2

Felodipine EP Impurity C
diethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate

MF:C₁₉H₂₁Cl₂NO₄| MW:398.28 | CAS:79925-38-5