Calibration Standard Kit Back Catalog number: 52089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8587.6-10MG Nicotinamide, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 98-92-0 Price on request 3335.10-100-CY Chlordane, oxy Price on request 73238 Iminostilbene Price on request