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21-Hydroxy-pregna-4,6-dien-3,20-dione is a steroidal compound derived from the pregnane family, characterized by its unique molecular structure featuring a hydroxyl group at the 21st carbon position, a double bond between the 4th and 6th carbon atoms, and a ketone group at both the 3rd and 20th carbon positions. This chemical is known for its significant biological activity, particularly in the context of hormone regulation, and is often associated with the synthesis of important corticosteroids and other medicinal compounds. Its complex structure and functional groups contribute to its potential therapeutic applications, making it a subject of interest in the fields of chemistry, pharmacology, and medicine.

3591-17-1

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3591-17-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3591-17-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,9 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 3591-17:
(6*3)+(5*5)+(4*9)+(3*1)+(2*1)+(1*7)=91
91 % 10 = 1
So 3591-17-1 is a valid CAS Registry Number.

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