Benzidine Back Catalog number: 43024 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72809 Perfluoroheptanoic acid Price on request 2936.19-100-IO Diflufenican-d3 (3-trifluoromethylphenoxy-2,4,6-d3), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1185009-29-3 Price on request 679512 Alodane, 100 µg/ml, Cyclohexane, 1ml Price on request