Metoprolol (free base),neat,neat,50mg, Back Catalog number: 8484.15-50MG Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 13170-50AC5 Methylphenols - Mix 13, 50µg/ml in Acetone, 5ml Price on request 96884 EPA Method 539Mix #1, 100µg/ml in MeOH, 1ml Price on request 97742 EPA Method 8270 PAH Standard Price on request