Levonorgestrel, 100µg/mL in Acetonitrile, 1ml

ISO 8165-2 Internal Control Stock Solution 1 S-4355 1 Internal standard, 10 µg/mL, in methanol, 5mL 2,4-Dibromophenol [615-58-7] 2061,6

n-Octatriacontane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 7194-85-6

Benzo[ghi]perylene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 93951-66-7