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SHEET /m/estradiol · PubChem CID 5757 · CAS 50-28-2 · REV 2026.07

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Estradiol

from source

C18H24O2 · 272.4 g/mol

Menorest · Gynergon · Oestroglandol · Dimenformon

What is Estradiol?

The main estrogen, made mostly in the ovaries. It drives the menstrual cycle and, along with testosterone, is one of the two headline sex hormones. from source

CategoryBody
TypeSteroidHormone
Chemical familyAlcoholsAromaticsPhenols
LeaderboardsBiggest

Fig. 1 · 2D structure RDKit

SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CCC4=C3C=CC(=C4)O

Where you'll find it

Your own body makes this one. It is not an ingredient you buy. See the rest of the body group.

Toxicity & hazards

DangerHealth hazardEnvironmentalH350, H351, H360, H362, H372, H400, H410from source

Keep roaming

Where Estradiol leads

Relatedcomputed
Estradiol (medication)100% similarBoth carry a phenol and an alcohol group.Estrone63% similarBoth carry a phenol group.Testosterone42% similarBoth carry an alcohol group.Clostebol41% similarBoth carry an alcohol group.Dihydrotestosterone39% similarBoth carry an alcohol group.

Compare with

Estradiol vs TestosteroneEstradiol vs Progesterone

Sources & methodology

PubChem CID
5757
Wikidata
Q422416
Structure
PubChem → RDKit
Similar molecules
MoleculeFinder fingerprint similarity
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