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

10-Methylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 2381-15-9

Petroleum Waxes Internal Standard ASTM D-5442

PAH/Phenol Deuterated Standard