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B(9a)-Homo-19-norpregna-9(11),9a,16-trien-20-one, 3-(dimethylamino)-4,4,14-trimethyl-, (3beta,5alpha)- is a complex organic compound with a molecular formula of C26H41NO2. It is a steroidal structure derived from the pregnane family, characterized by the presence of a 9a-homologated ring system and a 19-nor structure, which means it lacks a carbon atom at the 19th position. The compound features a 20-ketone functional group, indicating the presence of a carbonyl group at the 20th position. Additionally, it has a dimethylamino group at the 3rd position, and methyl groups at the 4th and 14th positions. The stereochemistry is specified as (3beta,5alpha), which refers to the spatial arrangement of these functional groups in the molecule. B(9a)-Homo-19-norpregna-9(11),9a,16-trien-20-one, 3-(dimethylamino)-4, 4,14-trimethyl-, (3beta,5alpha)- is of interest in the field of organic chemistry and may have potential applications in pharmaceuticals or other chemical industries due to its unique structure and properties.

5189-69-5

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5189-69-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5189-69-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,8 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5189-69:
(6*5)+(5*1)+(4*8)+(3*9)+(2*6)+(1*9)=115
115 % 10 = 5
So 5189-69-5 is a valid CAS Registry Number.

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