Multi-Component Mix Back Catalog number: 50751 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1028.16-K-IO 9-Ethylphenanthrene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3674-75-7 Price on request C20750000 1,2-Dimethylnaphthalene, certified, 50mg Price on request 0182.12-K-IO 4-Bromodibenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 97511-05-2 Price on request