Nimodipine
- CAS NO. : 66085-59-4
- CAT NO. : PH-API-5594
Physical State: Solid (yellow crystalline powder).
Color: Yellow to light yellow.
Appearance: Crystalline powder.
Melting Point: 124–130 °C.
Storage Conditions: Protect from light; store at −20 °C (solid). For solutions, purge with inert gas; DMSO stocks are commonly kept at −20 °C.
Solubility:
Water: Practically insoluble.
Ethanol: ~2 mg/mL (vendor data); other suppliers report ≥40–84 mg/mL (source-dependent).
Methanol: Described as freely soluble in literature.
DMSO: ~25 mg/mL (vendor data); reports up to ≥108 mg/mL.
DMF: ~30 mg/mL.
pKa: ~5.41 (literature value; 1,4-dihydropyridine N–H).
λmax: 237–240 nm (strong band) and 355–356 nm (secondary) in EtOH.
LogP (octanol/water): ~3.05–3.41 (reported range).
Molecular Formula: C₂₁H₂₆N₂O₇.
Molecular Weight: 418.44 g/mol
