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

1-(4-Isopropylphenyl)urea, 100mg

5ß(H)-Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 481-26-5

n-Triacontane, ?13C: -28.60, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 638-68-6