Custom Calibration Standard Back Catalog number: 59418 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79681 Mestranol Price on request 1812.18-50-CY Tetradecabromo-1,4-diphenoxybenzene, 50µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 58965-66-5 Price on request 40416 Benzo(a)anthracene, 100µg/ml in Acetonitrile, 1ml Price on request