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21-acetoxy-11α,17-dihydroxy-16α-methyl-pregna-1,4-diene-3,20-dione is a complex steroidal compound belonging to the class of pregnanes. It features a pregnane core structure with a 16α-methyl group, which is a methyl group attached to the 16th carbon atom in the α-configuration. The molecule has two hydroxyl groups at the 11α and 17 positions, indicating the presence of alcohol functional groups. Additionally, it has a 21-acetoxy group, which is an acetate ester attached to the 21st carbon atom, and a double bond between the 1st and 4th carbon atoms in the pregnane ring system. The compound also has a ketone group at the 3,20 positions, which are carbonyl functional groups. This chemical is characterized by its unique arrangement of functional groups and stereochemistry, which can influence its biological activity and potential applications in医药领域.

6242-16-6

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6242-16-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6242-16-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,4 and 2 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6242-16:
(6*6)+(5*2)+(4*4)+(3*2)+(2*1)+(1*6)=76
76 % 10 = 6
So 6242-16-6 is a valid CAS Registry Number.

6242-16-6Upstream product

6242-16-6Relevant academic research and scientific papers

Synthesis method of beclomethasone dipropionate intermediate 11 - β hydroxypregnane

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Paragraph 0011; 0033; 0047-0065, (2020/10/30)

The invention belongs to the field of a medicine preparation, and particularly relates to a synthesis method of an alclometasone dipropionate intermediate of 11-beta hydroxypregna. The 11-beta hydroxypregna is obtained by using a compound shown as a formula II as raw materials and performing free radical reaction under the effects of zinc powder, hexahydrate chromium trichloride and thioglycolic acid. The method provided by the invention has the advantages that the operation is simple; the yield is high; the method is suitable for industrial production.

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