17-alpha-Ethynylestradiol Back Catalog number: 72742 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678508 Tetrachlorvinphos, 100 µg/ml, Acetonitrile, 5ml Price on request 2867.12-50-IO 2,3',4,4',5-Pentachlorobiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 446254-80-4 Price on request 91131 Complete Set of Aroclor Mixes Price on request