17-alpha-Ethynylestradiol Back Catalog number: 72742 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681070 Ketoprofen, 100 µg/ml, Methanol, 1ml Price on request 94485 Y T Standard Price on request 0916.14-500-IO 2,5-Dimethyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16704-47-3 Price on request