IP 391-95 Calibration Level 3 Back Catalog number: 98403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9193.19-10MG Nortriptyline-d3 hydrochloride (N-methyl-d3) Price on request C12320000 Dichloroacetic acid, certified, 1g Price on request 1509.13-10MG 2-Hydroxy-9-fluorenone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 6949-73-1 Price on request