d4 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 5 x 1ml

(S)-(+)-Pregabalin-d4 (Aminomethyl d2 - hexanoic acid-2,2-d2), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

n-Tridecylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 123-02-4

ASTM Benzene Amp#1