Formaldehyde (0.1 ppm)

Bixafen, 10.0 µg/ml, Acetonitrile, 10ml

Rubrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 517-51-1

Metformin-d6-HCl, 100μg/ml in MeOH, 5ml