624B Internal / Surrogate Standard Back Catalog number: 98628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680983 Metoprolol tartrate, 100 µg/ml, Methanol, 1ml Price on request 10659.6-25-AN U-{13C6}-Kojic Acid Price on request S-4681-100-HXX10 Custom Mix prim. Alkohols C10-C30, 100ug/ml C10 1-Decanol C11 1-Undecanol C12 1-Dodecanol C13 1-Tridecanol C14 1-Tetradecanol C15 1-Pentadecanol C16 1-Hexadecanol C17 1-Heptadeca Price on request