EPA Method 8260B Surrogate Standard

n-Octadecane-d38, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16416-31-2

Metformin-d6 HCl, 1000µg/ml in MeOH, 1ml

L-Asparagine