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beta-Estradiol, 99% (dry wt.), ca 3% water
CAS: 50-28-2 | C18H24O2 | 272.388 g/mol
Brand: Thermo Scientific Alfa Aesar L03801.03
Quantity | 1 g |
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Description
β-Estradiol is the major estrogen secreted by the premenopausal ovary. It acts as an estrogenic hormone receptor (ER) agonist and activator of PI 3-kinase. Further, it is used in the treatment of infertility in women, prostate cancer and breast cancer. It is also employed as an agent of stimulating female puberty induction, as in the treatment of delayed puberty caused by hypogonadism or Turner's syndrome. In addition to this, it is used as part of the hormone replacement therapy for transgender women.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applicationsβ-Estradiol is the major estrogen secreted by the premenopausal ovary. It acts as an estrogenic hormone receptor (ER) agonist and activator of PI 3-kinase. Further, it is used in the treatment of infertility in women, prostate cancer and breast cancer. It is also employed as an agent of stimulating female puberty induction, as in the treatment of delayed puberty caused by hypogonadism or Turner′s syndrome. In addition to this, it is used as part of the hormone replacement therapy for transgender women.
Solubility
Soluble in dimethyl sulfoxide, ethanol , water, phosphate buffer saline, dimethyl formamide, acetone, dioxane and alkali hydroxides. Slightly soluble in vegetable oils.
Notes
Incompatible with strong oxidizing agents.

Chemical Identifiers
50-28-2 | |
272.388 | |
VOXZDWNPVJITMN-ZBRFXRBCSA-N | |
5757 | |
(8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diolShow More |
C18H24O2 | |
MFCD00003693 | |
estradiol, beta-estradiol, 17beta-estradiol, oestradiol, dihydrofolliculin, estrace, ovocyclin, progynon, dihydrotheelin, dihydroxyestrinShow More | |
CHEBI:16469 | |
CC12CCC3C(C1CCC2O)CCC4=C3C=CC(=C4)O |
Specifications
50-28-2 | |
C18H24O2 | |
1 g | |
14,3703 | |
Soluble in dimethyl sulfoxide,ethanol ,water,phosphate buffer saline,dimethyl formamide,acetone,dioxane and alkali hydroxides. Slightly soluble in vegetable oils. | |
+79° (c=1 in Dioxane) | |
(8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol | |
5757 | |
272.39 | |
(dry wt.), ≈3% water |
175°C to 178°C | |
MFCD00003693 | |
1914275 | |
estradiol, beta-estradiol, 17beta-estradiol, oestradiol, dihydrofolliculin, estrace, ovocyclin, progynon, dihydrotheelin, dihydroxyestrin | |
VOXZDWNPVJITMN-ZBRFXRBCSA-N | |
CC12CCC3C(C1CCC2O)CCC4=C3C=CC(=C4)O | |
272.388 | |
CHEBI:16469 | |
99% | |
beta-Estradiol |
Safety and Handling
- beta-Estradiol
Signal Word
- Danger
Hazard Category
- Carcinogenicity Category 1A
- Reproductive toxicity on or via lactation
- Reproductive toxicity Category 2
- Specific target organ toxicity after repeated exposure Category 2
Hazard Statement
- H350-May cause cancer.
- H361fd-Suspected of damaging fertility. Suspected of damaging the unborn child.
- H362-May cause harm to breast-fed children.
- H373-May cause damage to organs.
Precautionary Statement
- P201-Obtain special instructions before use.
- P202-Do not handle until all safety precautions have been read and understood.
- P260-Do not breathe dust/fume/gas/mist/vapours/spray.
- P263-Avoid contact during pregnancy/while nursing.
- P280-Wear protective gloves/protective clothing/eye protection/face protection.
- P308+P313-IF exposed or concerned: Get medical advice/attention.
Supplemental information
- MIXTURE LIST-Contains : Estradiol-17b
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
Q14L050 | Certificate of Analysis | 17/05/2025 | L03801.14,L03801.03,L03801.06 |
10254185 | Certificate of Analysis | 17/05/2025 | L03801.14,L03801.03,L03801.06 |
Y06K041 | Certificate of Analysis | 26/11/2024 | L03801.03,L03801.14,L03801.06 |
W19K037 | Certificate of Analysis | 27/09/2024 | L03801.03,L03801.14,L03801.06 |
10252065 | Certificate of Analysis | 21/08/2024 | L03801.03,L03801.14,L03801.06 |
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