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Merck
CN

SML1523

Estetrol

≥98% (HPLC), selective estrogen receptor modulator, powder

Synonym(s):

15α-Hydroxyestriol, 3,15α,16α,17β-Tetrahydroxyestra-1,3,5(10)-triene, E4, Estra-1,3,5(10)-triene-3,15α,16α,17β-tetrol, Oestetrol

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About This Item

Empirical Formula (Hill Notation):
C18H24O4
CAS Number:
15183-37-6
Molecular Weight:
304.38
UNSPSC Code:
51111800
PubChem Substance ID:
329825940
NACRES:
NA.77
MDL number:
MFCD00198996

Key Documents

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Product Name

Estetrol, ≥98% (HPLC)

SMILES string

[H][C@@]12CCC3=CC(O)=CC=C3[C@@]1([H])CC[C@@]4(C)[C@@]2([H])[C@@H](O)[C@@H](O)[C@@H]4O

InChI

1S/C18H24O4/c1-18-7-6-12-11-5-3-10(19)8-9(11)2-4-13(12)14(18)15(20)16(21)17(18)22/h3,5,8,12-17,19-22H,2,4,6-7H2,1H3/t12-,13-,14-,15-,16-,17+,18+/m1/s1

InChI key

AJIPIJNNOJSSQC-NYLIRDPKSA-N

assay

≥98% (HPLC)

form

powder

solubility

DMSO: 20 mg/mL, clear

storage temp.

−20°C

Quality Level

100

Related Categories

Biochem/physiol Actions

Estetrol (E4, 15α-Hydroxyestriol) is an estrogen steroid hormone produced exclusively during pregnancy by the fetal liver.
Estetrol (E4, 15α-Hydroxyestriol) is an estrogen steroid hormone produced exclusively during pregnancy by the fetal liver. Estetrol is a selective estrogen receptor modulator (SERM) with potent estrogenic effects on vaginal mucosa, bone and brain, neutral effect on liver, and anti-estrogen effects on breast tissue. Estetrol has higher affinity for ERα over ERβ. Estetrol is being studied for its potential as a contraceptive, a drug for meopausal symptoms, and an anticancer agent.

General description

Estetrol is an estrogenic steroid molecule produced exclusively during pregnancy by the fetal liver.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
0000418259
0000418259
0000402747
0000402746
0000302657

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Christian F Holinka et al.
The Journal of steroid biochemistry and molecular biology, 110(1-2), 138-143 (2008-05-09)
Estetrol (E(4)) is an estrogenic steroid molecule synthesized exclusively by the fetal liver during human pregnancy and reaching the maternal circulation through the placenta. Its function is presently unknown. After its discovery in the mid-1960s, E(4) research revealed rather unique

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