Estriol
Also known as: Oestriol, E3, 16α-Hydroxyestradiol, 16α,17β-Estriol, Estra-1,3,5(10)-triene-3,16α,17β-triol, 3,16α,17β-Trihydroxyestra-1,3,5(10)-triene, Theelol, Ovestin, Aacifemine, Colpogyn, Gynasan, Hormomed, Klimax E, Ortho-Gynest, Ovesterin, Ovo-Vinces, Tridestrin, Triovex
Estriol (CAS 50-27-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C18H24O3 and a molecular weight of 288.381 g/mol. Key properties include a melting point of 280-282 °C(lit.), a boiling point of 469.0±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 220.8±23.3 °C. It is classified under GHS with signal word Danger and hazard statements H351 — Suspected of causing cancer and H360 — May damage fertility or the unborn child. It is listed by 1 supplier, from 0.70 to 6,000.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 50-27-1
- Jingsj CID
- J-47482-5
- Molecular Formula
- C18H24O3
- Molecular Weight
- 288.381 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | >98.0%(GC) 100mg | ¥70.00 | $0.1 /mgBest ¥0.70/mg CNY | CN China MOQ 100mg | |
In Stock | 分析标准品 100mg | ¥500.00 | $0.75 /mg ¥5.00/mg CNY | CN China MOQ 100mg | |
In Stock | 98% 5g | ¥1,200.00 | $35.91 /g ¥240.00/g CNY | CN China MOQ 5g |
Physicochemical Properties
| Melting Point | 280-282 °C(lit.) |
|---|---|
| Boiling Point | 469.0±45.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 220.8±23.3 °C |
| Exact Mass | 288.172546 |
| PSA | 60.69000 |
| LogP | 2.94 |
| Vapor Pressure | 0.0±1.2 mmHg at 25°C |
| Refractive Index | 1.624 |
GHS Safety & Compliance
- H351 — Suspected of causing cancer
- H360 — May damage fertility or the unborn child
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Morinaga, A., et al., Effects of sex hormones on Alzheimer's disease-associated beta-amyloid oligomer formation in vitro. Exp Neurol, 2011. 228(2): p. 298-302. [2]. Begum, M., et al., Neonatal estrogenic exposure suppresses PTEN-related endometrial carcinogenesis in recombinant mice. Lab Invest, 2006. 86(3): p. 286-96. [3]. Hewitt, S.C. and K.S. Korach, Estrogenic activity of bisphenol A and 2,2-bis(p-hydroxyphenyl)-1,1,1-trichloroethane (HPTE) demonstrated in mouse uterine gene profiles. Environ Health Perspect, 2011. 119(1): p. 63-70. |
Frequently Asked Questions
What is the CAS number of Estriol?
The CAS number of Estriol is 50-27-1.
What are the molecular formula and molecular weight of Estriol?
Estriol has molecular formula C18H24O3 and molecular weight 288.381 g/mol.
Which suppliers offer Estriol?
1 supplier(s) listed; reference unit price ¥0.70–6000.00 /mg.
Is Estriol hazardous?
Estriol has GHS signal word Danger and hazard statements H351 — Suspected of causing cancer; H360 — May damage fertility or the unborn child.
What are the upstream and downstream products of Estriol?
For Estriol, Upstream Products: 16α-Hydroxyestrone, Estra-1,3,5(10),16-tetraene-3,17-diol diacetate, (16α)-3,16-Bis(acetyloxy)estra-1,3,5(10)-trien-17-one; Downstream Products: Estriol 3-methyl ether, Estrone, Estrone 3-methyl ether.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Estriol (CAS 50-27-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47482-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.