CAS No. 132203-70-4

Batch: Purity:99.99
Cilnidipine Chemical Structure
Chemical Structure
Check the Cilnidipine product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 3-O-(2-methoxyethyl) 5-O-[(E)-3-phenylprop-2-enyl] 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
CAS Number 132203-70-4
Molecular Formula

C27H28N2O7

Molecular Weight (MW) 492.52
SMILES CC1=C(C(C(=C(N1)C)C(=O)OCC=CC2=CC=CC=C2)C3=CC(=CC=C3)[N+](=O)[O-])C(=O)OCCOC
InChIKey KJEBULYHNRNJTE-DHZHZOJOSA-N

Ordering Information

Biological Activity

Cilnidipine is a calcium channel blocker targeting L-type voltage-gated calcium channels and N-type calcium channels. By inhibiting L-type channels in vascular smooth muscle cells and N-type channels in sympathetic nerve terminals, cilnidipine suppresses cellular calcium influx, blunts neurotransmission, and relaxes vascular smooth muscle. This dual target inhibition attenuates norepinephrine release from sympathetic nerve endings and decreases vascular tone. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 99 mg/mL (201.0 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 15 mg/mL
Water Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

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Note: Technical data last updated: Sep 1, 2026.