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The chemical compound "(3S,8S,9S,10R,13S,14S,17S)-3-Acetoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylic acid methyl ester" is a complex organic molecule with a highly specific stereochemistry. It features a cyclopenta[a]phenanthrene core, which is a type of polycyclic aromatic hydrocarbon. The compound is characterized by its 17 carbon atoms arranged in a specific three-dimensional structure, with several methyl groups at positions 10 and 13, and an acetoxy group at position 3. The molecule also includes a carboxylic acid group at position 17, which is esterified with a methyl group. This specific arrangement of functional groups and stereochemistry is crucial for its biological activity and potential applications in医药领域.

4139-90-6

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4139-90-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4139-90-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,3 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4139-90:
(6*4)+(5*1)+(4*3)+(3*9)+(2*9)+(1*0)=86
86 % 10 = 6
So 4139-90-6 is a valid CAS Registry Number.

4139-90-6Upstream product

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