MA - EPH Matrix Spike Back Catalog number: 92113 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681591 1,2-Octanediol, 100mg Price on request 1626.8-100-ME Ethyl-ß-D-6-glucuronide, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17685-04-0 Price on request 3968.12-100MG Trimethylpropanephosphate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1005-93-2 Price on request