C18H24O3
288.4 g/mol
APIDanger
Estriol
CAS50-27-1EC200-022-2
Category
API
Compound Class
Steroid
Primary Use
Pharmaceutical Raw Material
Estriol is a steroid compound that functions as an estrogen, a human metabolite, and a mouse metabolite. It is structurally characterized by three hydroxyl groups on an estrane backbone, including a 16alpha-hydroxy and 17beta-hydroxy configuration.
medication ingredientused to assess fetal health during pregnancy
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Sourcing Estriol?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
ReferenceSame Category
17β-estradiol
CAS50-28-2
pharmaceutical raw material
ReferenceSame Category
Phenylbutazone
CAS50-33-9
pharmaceutical raw material
ReferenceSame Category
Propantheline bromide
CAS50-34-0
pharmaceutical raw material
ReferenceSame Category
Thalidomide
CAS50-35-1
pharmaceutical raw material
Referencestereoisomer of
(16beta,17beta)-Estra-1,3,5(10)-triene-2,4-D2-3,16,17-triol
CAS366495-94-5
research compound
Safety Reference
Danger
H350May cause cancer
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children
H372Causes damage to organs through prolonged or repeated exposure
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Estriol (CAS 50-27-1) is 2937.23.
HS code (international, 6-digit)
2937.23
EU CN code (8-digit)
2937 23 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC 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
InChIKey
PROQIPRRNZUXQM-ZXXIGWHRSA-N
SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1C[C@H]([C@@H]2O)O)CCC4=C3C=CC(=C4)O
Synonyms (102)
- Estriol (JP18/USP)
- Estriol for system suitability, European Pharmacopoeia (EP)
- Estriol, European Pharmacopoeia (EP)
- Estriol, United States Pharmacopeia (USP)
- Estriol, meets USP testing specifications
- 16-Hydroxyestradiol
- 16.alpha.-Estriol
- 16a,17b-Estriol
- 16a-Estriol
- 16a-Hydroxyestradiol
- 16alpha,17beta-Estriol
- 16alpha,17beta-Oestriol
- 16alpha-Hydroxyestradiol
- 16alpha-Hydroxyoestradiol
- 16beta Hydroxy Estradiol
- 3,16-alpha,17-beta-Oestriol
- 3,16a,17b-Estriol
- 3,16alpha,17beta-Estriol
- 3,17.beta.-Estriol
- Aacifemine
- Acifemine
- Advanced Formula Estro-Life
- Colpogyn
- Colpovister
- Destriol
- Deuslon-A
- ESTRIOL [MART.]
- Estratriol
- Estriel
- Estriel (TN)
- Estriol (Standard)
- Estriol 1.0 mg/ml in Methanol
- Estriol 5.0 Cream
- Estriol CRS
- Estriol, VETRANAL(TM)
- Estriol, unconjugated
- Estriolo
- Estriolo [Italian]
- Estro-Life
- Gynaesan
- Gynasan
- Gynest
- Hemostyptanon
- Holin V
- Hormomed
- Hormonin
- Incurin
- Klimax E
- Klimoral
- LMNOOP Feminine Cream
- OeKolp
- Oestratriol
- Oestriol
- Oestriol (Standard)
- Oestriolum
- Orestin
- Orgastyptin
- Ortho-Gynest
- Overstin
- Ovesterin
- Ovestin
- Ovestinon
- Ovestrion
- Ovo-vinces
- Theelol
- Thulol
- Tridestrin
- Trihydroxyestrin
- Trihydroxyoestrin
- Trimesta
- Triovex
- estriol
Sourcing Estriol?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.