1,2-Butanediol, certified, 0.25g Back Catalog number: C10861290 Availability: In the manufacturer's stock Price on request - + Recommended S-4253-ASS-5IOX5 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 Price on request 0783.17-500-IO 1,2,8-Trimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20291-75-2 Price on request 679930 p-Xylene, 5ml Price on request