Benzidine Back Catalog number: 94737 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA20003000IO PCB No. 30, 100µg/mL in Isooctane, 1ml Price on request S-4353-K-5AC ISO 8165-1 Internal Control Stock Solution 1 1 Internal standard, 1000µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7] Price on request S4176-0.05 25-Hydroxyvitamin D2-[d3], 50μg/ml, 1ml Price on request