ESTRIOL

Estriol is a weaker estrogen used for menopausal symptoms and vaginal atrophy. Side effects include breast tenderness, spotting, and headache.

SKU: 2d95525700f2 Category: Tag:

Product Description


Mechanism of Action

Estriol (E3) is a weaker estrogen produced mainly during pregnancy. It binds ERα/ERβ with lower affinity than estradiol but still regulates reproductive and urogenital tissues through transcriptional modulation and membrane‑initiated signalling.

Benefits and Advantages

Used in low‑potency estrogen research, mucosal‑tissue modelling, ER‑ligand affinity studies, and selective‑estrogen pharmacology.

Side Effects and Risks

Risks include mild nausea, breast tenderness and low but present thrombotic risk. Handle with low‑potency estrogen precautions.

Datasheet


Molecular Formula

C18H24O3

Molecular Weight

288.4 g/mol

CAS Number

50-27-1

Storage Condition

Do not store above 25 °C.

Solubility

Slightly soluble in ethyl ether, benzene, trifluoroacetic acid; very soluble in pyridine

Purity

Purity information is available upon request (COA).

Synonym

estriol; 50-27-1; Oestriol; Trihydroxyestrin; Aacifemine

IUPAC/Chemical Name

(8R,9S,13S,14S,16R,17R)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,16,17-triol

InChl Key

PROQIPRRNZUXQM-ZXXIGWHRSA-N

InChl Code

InChI=1S/C18H24O3/c1-18-7-6-13-12-5-3-11(19)8-10(12)2-4-14(13)15(18)9-16(20)17(18)21/h3,5,8,13-17,19-21H,2,4,6-7,9H2,1H3/t13-,14-,15+,16-,17+,18+/m1/s1

References

https://pubchem.ncbi.nlm.nih.gov/compound/5756;

3D Conformer.

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