Routine Biomarker Internal Standard Cocktail 5 S-4253-ASS-5IO 9 Analytes, each concentration in isooctane; units: 10x1mL, 1x5mL, 5x5mL Please inquire for other quantities. Chiron No. Name CAS No. Conc. 1019.12 n-Dodecane-d26 [16