Benzidine Back Catalog number: 94737 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20020600IO PCB No. 206, 10ug/ml in Isooctane, 10ml Price on request 79313 Isodrin Price on request 679577 Picric acid, 100 µg/ml, Acetonitrile, 10ml Price on request