17α-Ethynyl-17β-hydroxy-1,4-androstadien-3-one, also known as ethynylestradiol, is a synthetic estrogen hormone commonly used in oral contraceptives and hormone replacement therapy. It is a derivative of the naturally occurring hormone estradiol, with the addition of an ethynyl group at the 17α position, which enhances its potency and effectiveness. Ethynylestradiol is known for its strong estrogenic activity, which helps regulate menstrual cycles, prevent ovulation, and alleviate symptoms of menopause. However, it can also have side effects such as nausea, breast tenderness, and an increased risk of blood clots. Due to its potent effects, it is typically used in combination with progestogens in birth control pills to provide effective contraception.

7162-55-2

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Basic information
1. Product Name: 17α-ethynyl-17β-hydroxy-1,4-androstadien-3-one
2. Synonyms:
3. CAS NO:7162-55-2
4. Molecular Formula:
5. Molecular Weight: 310.436
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 17α-ethynyl-17β-hydroxy-1,4-androstadien-3-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 17α-ethynyl-17β-hydroxy-1,4-androstadien-3-one(7162-55-2)
11. EPA Substance Registry System: 17α-ethynyl-17β-hydroxy-1,4-androstadien-3-one(7162-55-2)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 7162-55-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7162-55-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,6 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 7162-55:
(6*7)+(5*1)+(4*6)+(3*2)+(2*5)+(1*5)=92
92 % 10 = 2
So 7162-55-2 is a valid CAS Registry Number.

7162-55-2Upstream product

7162-55-2Downstream Products

2477-61-4 17α-hydroxypregna-1,4-diene-3,20-dione

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