Interference Standard 4

n-Propanol, 1000µg/ml in MeOH, 1ml

25-Hydroxyvitamin D2-d6, 50µg/ml in MeOH, 1ml

8-Methyl-2-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 19393-87-4