17-alpha-Estradiol Back Catalog number: 72741 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3125.18-K-IO Benzyl n-butyl phthalate-3,4,5,6-d6,1000 µg/mL,isooctane,1mL, Price on request 676767 Cumyluron, 100 µg/ml, Acetonitrile, 1ml Price on request 92952 EPA Method 8081A Organochlorine Pesticides Price on request