Color Back Catalog number: 54555 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2789.12-100-IO 4,4'-Thiodianiline, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 139-65-1 Price on request 679240 Salmeterol xinafoate, 10mg Price on request S-4037-K-IOX5 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request