9-Nitroanthracene-d9, 100µg/ml in Toluene, 1ml

25-Hydroxyvitamin D3-d6 (Dimethyl 26,27-d6), 50µg/ml in MeOH, 1ml

5-Cyclohexylpentanoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 5962-88-9

Heptachlor, 100 µg/ml, Acetonitrile, 1ml