Naftopidil

CAS: 57149-07-2

Category: Piperazine

PurityReagent Grade ≥98%, High-Purity Grade ≥99%, Pharmaceutical Grade ≥99.5%
Molecular FormulaC24H28N2O3
Molecular Weight392.49
Appearancewhite to off-white crystalline powder
Packaging1 g/amber glass vial, 5 g/plastic bottle.
Testing IndicatorsAppearance — Visual inspection; Identification — IR, Chiral HPLC; Purity — RP-HPLC; Enantiomeric purity — Chiral HPLC; Residual solvents — HS-GC; Heavy metals — ICP-MS; Moisture — Karl Fischer titration; Microbial limits — Filtration; Naphthyl impurities — GC.
Storage NotesStored in a cool, dry, and well-ventilated place at room temperature in a tightly closed container, away from light and oxidizing agents.
Lead Time10 days
Used as a selective α1-adrenergic receptor antagonist intermediate in the synthesis of antihypertensive and benign prostatic hyperplasia treatments.