It is a metabolite of Equilenin, an estrogen steroid hormone.. Reference standards of Equilin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
Equilin
Catalogue No.:PA 32 16000
CAS :
Molecular Formula : C18H20O2
Molecular Weight : 268.35
8,9-Dehydro Estrone-d2
Catalogue No.:PA STI 025220
Molecular Formula : C18H18D2O2
Molecular Weight : 270.36
17β-Dihydro Equilin-16,16,17-d3
Catalogue No.:PA STI 032420
Molecular Formula : C18H19D3O2
Molecular Weight : 273.38
Equilin-d4
Catalogue No.:PA STI 037540
Molecular Formula : C18H16D4O2
Molecular Weight : 272.37
Equilin-d4 3-O-β-D-Glucuronide Sodium Salt
Catalogue No.:PA STI 037550
Molecular Formula : C24H24D4NaO8
Molecular Weight : 470.48
Equilin 3-Sulfate-d4 Sodium Salt (stabilized with TRIS, 50% w/w)
Catalogue No.:PA STI 037560
Molecular Formula : C18H15D4NaO5S
Molecular Weight : 374.42
Equilin (Y0000052)
Catalogue No.:PA EPY0000052
Molecular Formula : NA
Molecular Weight : NA
Equilin (1238002)
Catalogue No.:PA USP1238002
17 alpha-dihydroequilin (Y0000053)
Catalogue No.:PA EPY0000053
17-Dihydroequilin
Catalogue No.:PA 32 0161000
Molecular Formula : C18H22O2
Molecular Weight : 270.37
17β-Dihydroequilenin-4,16,16-d3
Catalogue No.:PA STI 088475
Molecular Formula : C18H17D3O2
Molecular Weight : 271.37
Sodium 17β-Dihydroequilin-2,4,16,16-d4 3-Sulfate
Catalogue No.:PA STI 088521
Molecular Formula : C18H17D4NaO5S
Molecular Weight : 376.44
Equilin 3-Sulfate-d4 Sodium Salt
Catalogue No.:PA STI 089628
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