Calibration Standard Set Back Catalog number: 52042 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95115 Methyl tert-butyl ether Price on request 2499.13-50-IO 3-Methyldibenzothiophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-52-3 Price on request 8560.9-10MG 4-Nitroquinoline-N-oxide, Comet assay grade, , Solvent-, Unit , # of units-, Cas.no. 56-57-5 Price on request