Norethisterone, 100µg/mL in Acetonitrile, 1ml

ISO 8165-2 Internal Control Stock Solution 2 S-4356 2,5-Dibromophenol [28165-52-8] 2470,6, 10 µg/mL in methanol, 5ml

4-tert-Butyl-d9-phenol-2,3,5,6-d4, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 225386-58-3

trans,trans-Muconic acid, 100mg