How should 2,3,9,10-Tetramethoxy-5,8,13,13a-tetrahydro-6H-isoquinolino[3,2-a]isoquinolinium chloride (CAS: 6024-85-7) be stored?

2,3,9,10-Tetramethoxy-5,8,13,13a-tetrahydro-6H-isoquinolino[3,2-a]isoquinolinium chloride (CAS: 6024-85-7) should be stored in a cool, dry place, away from light and moisture. Keep in sealed, airtight containers made of glass or plastic to maintain stability. It is stable under normal storage conditions but should be protected from reactive environments. Ensure proper labeling and storage in accordance with chemical safety standards to prevent degradation or contamination.