Fermentation Standard Back Catalog number: 97122 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8998.18-100-ME 17ß-Estradiol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-28-2 Price on request 92790 EPA Method 8081A Pesticide Standard B Price on request 3512.12-100-AN Tetrasul Price on request