25-Hydroxyvitamin D2, 50μg/ml, 1ml Back Catalog number: S4176UNL-0.05 Availability: In the manufacturer's stock Price on request - + Recommended C13665000 Florfenicol, 250mg Price on request S-4054-7.5K-XYX5 Dibenzothiophene in Xylene Units: 5x1mL ampoule, 1x10mL screw cap bottle Chiron No. (Matrix) Concentration Isooctane Xylene White oil 3 cst µgS/g (ppm) Wt.% S-4055-0-IO S-4054-0-XY S Price on request EPA-8280ISB Additional Internal Standard Solution, 1.2ml, toluene Price on request