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  J10401    
Ethinyl estradiol
, >98% (HPLC), powder
 
17alpha-Ethynyl-1,3,5(10)-estratriene-3,17beta-diol
Ethynylestradiol
17alpha-Ethynylestradiol




IDENTITY
CAS Number:57-63-6
MDL Number:MFCD00003690
MF:C20H24O2
MW:296.40
EINECS:200-342-2
SPECIFICATIONS & PROPERTIES
Min. Purity Spec:>98% (HPLC), powder
Physical Form (at 20°C):Solid
Melting Point:180-188°C
Optical Rotation:-26° - -32° (c=0.4, Pyridine)
Long-Term Storage:Store long-term in a cool, dry place
DOT/IATA TRANSPORT INFORMATION
Not hazardous material

BIOLOGICAL INFO
Solubility:DMSO: 59mg/mL; H2O: <1mg/mL; EtOH: 50mg/mL
Application(s):Estrogen receptor
Form:Free Base

REVIEW

 An orally bioactive estrogen used in many formulations of combined oral contraceptive pills. Ethynylestradiol is hormonally effective by activating the estrogen receptor and thus is an estrogen. It finds its most common use in the estrogen-progestin combination preparations of oral contraceptives.

REFERENCES
[1]Yang W, Zhou H, Cicek N (2012). Removal mechanisms of 17beta-estradiol and 17alpha-ethinylestradiol in membrane bioreactors. Water Sci Technol. 66(6):1263-9. PMID 22828304.
[2] Westhoff CL, Torgal AH, Mayeda ER, Petrie K, Thomas T, Dragoman M, Cremers S (2012). Pharmacokinetics and ovarian suppression during use of a contraceptive vaginal ring in normal-weight and obese women. Am J Obstet Gynecol. 207(1):39.e1-6. PMID 22727346.

GLOBALLY HARMONIZED SYSTEM (GHS)

Pictograms

Signal Word
Danger

Hazard Statements
H302; H350; H410

Precautionary Statements
P201; P202; P264; P270; P273; P281; P301+P312; P308+P313; P330; P391; P405; P501


Current as of January 11, 2025


Download SDS Request COA

All products are stocked and shipped from the SF Bay, California, USA via FedEx, UPS or DHL.
All batches backed with full quality assurance.
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All products are for research and development use only, not for any other uses, and must be handled by technically-qualified persons.

These products are explicitly not intended to be used in foods and/or cosmetics and/or drugs (human and veterinary) and/or consumer products and/or biocides and/or pesticides of any kind unless explicitly stated otherwise.

Products are not sold to individuals. We do not ship to residential addresses. Consumer orders will be cancelled without notice.

New customers undergo an internal onboarding process. As part of this process, new customers may be asked for more information. Additional restrictions may apply.
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WARNING: Attention California residents: This product can expose you to chemicals including Ethinyl estradiol, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.




CATEGORIES

 APIs and Bioactives > Steroid Hormones


PubChem
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