3,3-(ethylenedioxy)-17α-methyl-5-androsten-17β-ol, also known as ethinylestradiol, is a synthetic estrogen and a pharmaceutical drug. It is a derivative of the naturally occurring hormone estradiol, with modifications to its structure that increase its potency and duration of action. Ethinylestradiol is commonly used in combination with progestogens in oral contraceptive pills and hormone replacement therapy. It works by inhibiting ovulation, altering the cervical mucus to prevent sperm penetration, and thinning the endometrial lining to prevent implantation of a fertilized egg. The chemical structure of ethinylestradiol features a 17α-methyl group, which enhances its resistance to metabolism, and an ethinyl group at the 17β position, which contributes to its high potency.
1099-72-5
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Basic information
- Product Name: 3,3-(ethylenedioxy)-17α-methyl-5-androsten-17β-ol
- Synonyms: 3,3-(ethylenedioxy)-17α-methyl-5-androsten-17β-ol
- CAS NO:1099-72-5
- Molecular Formula:
- Molecular Weight: 346.51
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 3,3-(ethylenedioxy)-17α-methyl-5-androsten-17β-ol(CAS DataBase Reference)
- NIST Chemistry Reference: 3,3-(ethylenedioxy)-17α-methyl-5-androsten-17β-ol(1099-72-5)
- EPA Substance Registry System: 3,3-(ethylenedioxy)-17α-methyl-5-androsten-17β-ol(1099-72-5)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 1099-72-5(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 1099-72-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,9 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.Calculate Digit Verification of CAS Registry Number 1099-72:
(6*1)+(5*0)+(4*9)+(3*9)+(2*7)+(1*2)=85
85 % 10 = 5
So 1099-72-5 is a valid CAS Registry Number.
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3,3-(ethylenedioxy)-17α-methyl-5-androsten-17β-ol
