Danofloxacin mesylate, 100 µg/ml, Methanol, 1ml

7-Hydroxy Mitragynine, 0,25mg

iso-Propyl 4-hydroxybenzoate-2,3,5,6-d4, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-72-7

Analytical Standard for n-Alkanes 1mL Use 100µg/mL in hexane as a working standard n-C10-C40 + Pristane