CLP - Semi-Volatile Base/Neutral Standard Back Catalog number: 91759A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676674 D7-Metoprolol tartrate, 10mg Price on request 52187 Internal Reference Standard Price on request 679999 4-Ethyltoluene, 100 µg/ml, Methanol, 1ml Price on request