Color Back Catalog number: 54255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1325.18-10UG Chrysene-trans-3,4-dihydrodiol, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 64920-32-7 Price on request 1634.10-10MG Cimetidine (free base), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 51481-61-9 Price on request 1459.14-10MG 2-Nitroanthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3586-69-4 Price on request