Sodium (Na) Back Catalog number: 50380 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95271 Semi-Volatile Standard Price on request 679802 Roxithromycin, 100 µg/ml, Methanol, 1ml Price on request 673664 Phosmet, 100 µg/ml, Ethyl acetate, 5ml Price on request