Semi-Volatile Standard Back Catalog number: 94199 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680983 Metoprolol tartrate, 100 µg/ml, Methanol, 1ml Price on request 30391 Dichloromethane Price on request 682328 Diheptyl phthalate (mixture of isomers), 1000mg Price on request