IP 391-95 Calibration Level 4 Back Catalog number: 98404 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9287.23-K-ME Ramipril, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 87333-19-5 Price on request 72008 Potassium sorbate Price on request MBP-104 2,2',4,6,6'-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request