Calibration Standard Kit Back Catalog number: 53090 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 59627 pH 10.0 Standard @ 25°C Price on request 11504.22-K-ME (-)-Noscapine,1000 µg/mL,MeOH,1mL, Price on request