25-Hydroxyvitamin D3 Back Catalog number: 10532.27-K-MEX5 Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 71377 3-Methylsulfolane Price on request 3209.18-K-IO 6-cis,9-cis,12-cis-Octadecatrienoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 506-26-3 Price on request 53016 Calibration Standards Set Price on request