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

2-Methyl-2-(methylnitrosamino)-1-propanol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 27646-81-7

3-Chloro-1,2-propandiol-1-monobehenate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

EPA Method 1666 Standard #2