Aldosterone 21-sulfate is a metabolite of the steroid hormone aldosterone .1It reduces the sodium-to-potassium ratio in rat urine when administered at doses ranging from 10 to 100 μg, indicating mineralocorticoid activity that is less than 1% that of aldosterone.2

Aldosterone 21-sulfate (sodium salt)

PBS (pH 7.2):1 mg/mL
DMF:15 mg/mL
DMSO:15 mg/mL
Ethanol:1 mg/mL
Powder: -20°C for 3 years
In solvent: -80°C for 2 years