17α-Ethyl-6α,7α-epoxy-pregn-4-en-3,20-dione, also known as 17α-ethinylestradiol, is a synthetic steroidal estrogen compound that is structurally similar to the naturally occurring hormone estradiol. It is primarily used as a component in various hormonal contraceptives, such as birth control pills, patches, and vaginal rings, due to its potent estrogenic activity. The chemical structure of 17α-ethinylestradiol features a 17α-ethyl group, a 6α,7α-epoxy bridge, and a 3,20-dione functional group, which contribute to its high binding affinity to the estrogen receptor. This results in the suppression of ovulation, making it an effective contraceptive agent. Additionally, it has been used in hormone replacement therapy and to treat certain gynecological conditions. However, its use is associated with potential side effects and health risks, which are carefully considered in medical practice.

803-64-5

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Basic information
1. Product Name: 17α-Aethyl-6α,7α-epoxy-pregn-4-en-3,20-dion
2. Synonyms:
3. CAS NO:803-64-5
4. Molecular Formula:
5. Molecular Weight: 356.505
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-Aethyl-6α,7α-epoxy-pregn-4-en-3,20-dion(CAS DataBase Reference)
10. NIST Chemistry Reference: 17α-Aethyl-6α,7α-epoxy-pregn-4-en-3,20-dion(803-64-5)
11. EPA Substance Registry System: 17α-Aethyl-6α,7α-epoxy-pregn-4-en-3,20-dion(803-64-5)
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: 803-64-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 803-64-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,0 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 803-64:
(5*8)+(4*0)+(3*3)+(2*6)+(1*4)=65
65 % 10 = 5
So 803-64-5 is a valid CAS Registry Number.

803-64-5Upstream product

803-64-5Downstream Products

802-81-3 17α-Aethyl-6-chlor-pregna-4,6-dien-3,20-dion

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