The chemical "4-[(3R,12S)-3-Acetoxy-12-(4-chloro-benzenesulfonyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid methyl ester" is a complex organic compound with a molecular formula of C31H41ClO8S. It features a cyclopenta[a]phenanthren-17-yl core structure, which is a type of polycyclic aromatic hydrocarbon. The compound has a 3-acetoxy group, a 12-(4-chloro-benzenesulfonyloxy) group, and a methyl ester group, indicating the presence of ester and ether functional groups. The stereochemistry at positions 3 and 12 is specified as (3R,12S), which means that the hydroxyl group at position 3 is on the right side of the molecule when looking from the perspective of the 12th carbon, and the hydroxyl group at position 12 is on the left side. 4-[(3R,12S)-3-Acetoxy-12-(4-chloro-benzenesulfonyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid methyl ester is likely to be found in the field of organic chemistry, potentially as a pharmaceutical intermediate or a precursor in the synthesis of more complex molecules.
The CAS Registry Mumber 2242-06-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,4 and 2 respectively; the second part has 2 digits, 0 and 6 respectively. Calculate Digit Verification of CAS Registry Number 2242-06: (6*2)+(5*2)+(4*4)+(3*2)+(2*0)+(1*6)=50 50 % 10 = 0 So 2242-06-0 is a valid CAS Registry Number.
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