Isocratic Test Standard Back Catalog number: 93755 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 684986 3,3'-Dichlorobenzidine, 10.0 µg/ml, Acetonitrile, Price on request 80911 EPA Method 8091Mix #2 Price on request 9497.13-10MG Propyphenazone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 479-92-5 Price on request