| 15alpha-Hydroxyestradiol (15alpha-OH-E2) is an endogenous estrogen which occurs during pregnancy. It is structurally related to estriol (16alpha-hydroxyestradiol) and estetrol (15alpha-hydroxyestriol or 15alpha,16alpha-dihydroxyestradiol). Synonyms: 11alpha-Hydroxyestradiol, (1S,3S,3aS,3bR,9bS,11aS)-11a-Methyl-2,3,3a,3b,4,5,9b,10,11,11a-decahydro-1H-cyclopenta[a]phenanthrene-1,3,7-triol, 15alpha-OH-E2, 15alpha-Hydroxy-17beta-estradiol, 3,15alpha,17beta-Trihydroxyestra-1,3,5(10)-triene CAS No: 570-30-9 Molecular Formula: C18H24O3 Molecular Weight: 288.38 Appearance: White to off-white powder Purity: As reported Melting Point: 250-252°C Solubility: Water (Slightly), Organic solvents (Soluble): ethanol, methanol, dimethyl sulfoxide (DMSO), and dimethyl formamide (DMF). Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at -20C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. |
