1,3,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Back Catalog number: DF-1367-S Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 9003.21-100-ME Progesterone-2,2,4,6,17 alpha,21,21,21-d9, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 15775-74-3 Price on request 2961.10-100-IO Parathion-d10 (diethyl-d10), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 350820-04-1 Price on request 10535.27-1MG 25-Hydroxyvitamin D3-d6 (Dimethyl 26,27-d6) Price on request