Paraben-Mix 1, 100 µg/ml, Methanol, 5ml

n-Valerophenone, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 1009-14-9

5-Chloro-2-(2,4-dichloro[13C6]phenoxy)[13C6]phenol, 1.2ml x 50ug/ml, methanol

d4 C28 alpha alpha alpha (20R)/C29 alpha alpha alpha (20R)-Methyl/Ethylcholestane, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.