Carmine, Natural red 4 (E 120), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1390-65-4

N-Nitrosodimethylamine, 1g

Phosphatidylethanol-d5 ammonium salt,100 µg free acid/mL,chloroform,1mL,

O-Desmethyl tramadol-d6 (racemic) , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 16412-54-7