17a-Ethinylestradiol, certified, 0.25g Back Catalog number: C13245100 Availability: In the manufacturer's stock Price on request - + Recommended BDE-197 2,2',3,3',4,4',6,6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene Price on request 684142 1-Nitrosopyrrolidine, 100mg Price on request T015500 Teicoplanin A2(Mix 2-1, 2-2, 2-3, 2-4, 2-5), 50mg Price on request