Benzidine Back Catalog number: 70027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0662.29-100-IO alphaßß (20R,24R)-24-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 71117-92-5 Price on request PN-12S 2,7-Dichloronaphthalene, 1.2ml x 50ug/ml, nonane Price on request 92785 1,4-Dioxane-d8 Price on request