3-Epi-25-Hydroxyvitamin D2, 50μg/ml, 1ml

n-Alkanes C10-C40 (even + pristane/phytane) 18 Analytes, each 100µg/ml in cyclohexane; units: 1x1mL, 5x1mL, 10x1mL This standard includes all the even n-paraffins + pristane and phytane. n-Decane C10 n-Dodecane C12 n-Tetradecane C14 n-Hexadecane C16

3,3',5,5'-Tetrabromobisphenol A bisacrylate,50 µg/mL,toluene,1mL,

Perfluoroheptanoic acid