The chemical compound "(3R,5S,8S,9S,10S,13S,14S,17S)-10,13-Dimethyl-3-nitrooxy-11-oxo-hexadecahydro-cyclopenta[a]phenanthrene-17-carboxylic acid 3,5-dihydroxy-phenyl 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 molecule is characterized by its 10,13-dimethyl substitution, a 3-nitrooxy group, and an 11-oxo function. The 17-carboxylic acid group is esterified with a 3,5-dihydroxy-phenyl moiety, adding to the molecule's complexity. (3R,5S,8S,9S,10S,13S,14S,17S)-10,13-Dimethyl-3-nitrooxy-11-oxo-hexadecahydro-cyclopenta[a]phenanthrene-17-carboxylic acid 3,5-dihydroxy-phenyl ester is a derivative of a larger class of natural products known for their diverse biological activities, and its specific structure suggests potential applications in pharmaceutical or chemical research.
The CAS Registry Mumber 38540-44-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,5,4 and 0 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 38540-44: (7*3)+(6*8)+(5*5)+(4*4)+(3*0)+(2*4)+(1*4)=122 122 % 10 = 2 So 38540-44-2 is a valid CAS Registry Number.
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