Pyridate, 100µg/ml in Acetonitrile, 1ml Back Catalog number: S-13155A1-1ML Availability: In the manufacturer's stock Price on request - + Recommended 72073 3,3’-Dichlorobenzidine-d6 Price on request 32005 EPA Method 502/524 Fortification Solution Price on request 30040 EPA Method 515.1 Underivatized Price on request