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KI1007Cilnidipine20 mg$155.2
Cilnidipine50 mg$272

Chemical Characteristic

Product NameCilnidipine
SynonymsFRC-8653
CAS No.132203-70-4
Molecular Weight 492.52
FormulaC27H28N2O7
Chemical Name(+/-)-(E)-Cinnamyl 2-methoxyethyl 1,4-dihydro-2,6-dimethyl-4-(m-nitrophenyl)-3,5-pyridinedicarboxylate
SmilesC1(=C(C(C(=C(N1)C)C(=O)OC/C=C/c1ccccc1)c1cc(ccc1)[N](=O)O)C(=O)OCCOC)C
Chemical Structure

Biological activities

Cilnidipine is a novel 1, 4-dihy-dropyridine (DHP) type of organic Ca2+ channel blocker that has slow-onset and long-lasting hypotensive effect. Cilnidipine reduces blood pressure by blocking L-type Ca2+ channels in vascular smooth muscle. And cilnidipine depresses sympathetic nerve tonus by modulating the N-type Ca2+ channel in the endings of the sympathetic peripheral nervous system. Cilnidipine inhibits the L-type and N-type Ca2+ channels with IC50 of 100 and 100 nM, respectively. [1] Cilnidipine inhibits KCl-induced vasoconstriction and also inhibits [3H]-noradrenaline (NA) release evoked by electrical stimulation in the rat aorta.[2] Cilnidipine can cause an inhibition of the pressor response induced by acute cold stress in addition to its hypotensive effect.[3]

Protocols

Cilnidipine is dissolved in DMSO at 10 mM as stock solutions. [1]

References

[1] Fujii S, et al. Effect of cilnidipine, a novel dihydropyridine Ca2+-channel antagonist, on N-type Ca2+ channel in rat dorsal root ganglion neurons. J Pharmcol Exp Ther. 1997, 280 (3): 1184-1191.
[2] Uneyama H, et al. Blockade of N-type Ca2+ current by cilnidipine (FRC-8653) in acutely dissociated rat sympathetic neurons. British Journal of Pharmacology. 1997, 122 (1): 37-42.
[3] Minami J, et al. Effects of cilnidipine, a novel dihydropyridine calcium antagonist, on autonomic function, ambulatory blood pressure and heart rate in patients with essential hypertension. Br J Clin Pharmacol. 2000, 50 (6): 615-620.

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