Nifedipine Impurity cas 21829-09-4-Deshangchemical

Nifedipine Impurity cas 21829-09-4

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English SynonymsDimethyl2,6-Dimethyl-4-(4-Nitrophenyl)-1,4-Dihydropyridine-3,5-Dicarboxylate;1,4-Dihydro-2,6-Dimethyl-4-(4-Nitrophenyl)-3 ,5-Pyridinedicarboxylicaciddimethylester;3,5-Pyridinedicarboxylicacid,1,4-Dihydro-2,6-Dimethyl-4-(4-Nitrophenyl)-,3,5-Dimethylester;benidipineimpurityb;divalproex

CAS

21829-09-4

Molecular Formula

C17H18N2O6

Molecular weight

346.33

English Synonyms

Dimethyl2,6-Dimethyl-4-(4-Nitrophenyl)-1,4-Dihydropyridine-3,5-Dicarboxylate;1,4-Dihydro-2,6-Dimethyl-4-(4-Nitrophenyl)-3 ,5-Pyridinedicarboxylicaciddimethylester;3,5-Pyridinedicarboxylicacid,1,4-Dihydro-2,6-Dimethyl-4-(4-Nitrophenyl)-,3,5-Dimethylester;benidipineimpurityb;divalproexsodiumimpurity5;benidipineimpurity5(Nifedipineimpurity1);benidipineimpurity12;nifedi Pineimpurity1 (Benidipineimpurity5)

Benidipine impurity B Properties

Melting point	165-168 °C
Boiling Point	249 °C(lit.)
Density	1.271±0.06 g/cm3(Predicted)
Storage conditions	2-8°C(protect from light)
Acidity coefficient (pKa)	2.62±0.70(Predicted)

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