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21-acetoxy-9-bromo-17-hydroxy-pregn-4-ene-3,11,20-trione is a complex steroidal chemical compound derived from the pregnane family. It features a pregnane core structure with a 4-ene backbone, indicating the presence of a double bond between carbons 4 and 5. The compound is characterized by the presence of three ketone groups at the 3, 11, and 20 positions, a hydroxyl group at the 17 position, and a bromine atom at the 9 position. Additionally, it has an acetoxy group at the 21 position, which is an acetate ester derivative. This chemical is known for its potential applications in the field of medicine, particularly in the development of drugs that target hormonal systems. Its specific structure allows for interactions with various biological receptors, making it a subject of interest for researchers in endocrinology and pharmacology.

2206-03-3

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2206-03-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2206-03-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,0 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2206-03:
(6*2)+(5*2)+(4*0)+(3*6)+(2*0)+(1*3)=43
43 % 10 = 3
So 2206-03-3 is a valid CAS Registry Number.

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