Multi-Element Check Standard Back Catalog number: 59001 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3307.19-K-IO Methyl octadecadienoate (9,11 + 10,12 c+tr) , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 0754.14-K-IO 2,2,5,7-Tetramethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23342-25-8 Price on request 677646 2-Naphthol, 500mg Price on request