Total DMRQA (Kit) Back Catalog number: 55309 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9190.7-100-ME Theophylline-d6 (dimethyl-d6), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 11790-39-8 Price on request 675455 Sulfabenzamide, 250mg Price on request 59455 ICP-MS Saline Calibration Metals Mix 8 Price on request