18,20-Epoxy-11α,20-dihydroxypregna-1,4-dien-3-one is a complex steroidal compound characterized by its unique molecular structure. It features a pregnane core, which is a type of steroid with a four-ring structure. The compound is distinguished by the presence of an epoxy group at the 18,20 positions, which introduces a three-membered oxygen-containing ring into the molecule. Additionally, it has hydroxyl groups at the 11α and 20 positions, which are crucial for its biological activity. This chemical is a derivative of the pregnane family and is known for its potential applications in medical and pharmaceutical research, particularly in the area of hormone regulation and other biological processes. The specific arrangement of functional groups in this molecule contributes to its unique properties and potential therapeutic uses.

2543-26-2

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Basic information
1. Product Name: 18,20-Epoxy-11α,20-dihydroxypregna-1,4-dien-3-one
2. Synonyms: 18,20-Epoxy-11α,20-dihydroxypregna-1,4-dien-3-one;Holadysone
3. CAS NO:2543-26-2
4. Molecular Formula: C21H28O4
5. Molecular Weight: 344.44462
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 2543-26-2.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 18,20-Epoxy-11α,20-dihydroxypregna-1,4-dien-3-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 18,20-Epoxy-11α,20-dihydroxypregna-1,4-dien-3-one(2543-26-2)
11. EPA Substance Registry System: 18,20-Epoxy-11α,20-dihydroxypregna-1,4-dien-3-one(2543-26-2)
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: 2543-26-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2543-26-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,4 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2543-26:
(6*2)+(5*5)+(4*4)+(3*3)+(2*2)+(1*6)=72
72 % 10 = 2
So 2543-26-2 is a valid CAS Registry Number.

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