The chemical compound "(3R,5S,6R,8R,9S,10R,13S,14S,17S)-17-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-3,6-diol" is a complex, chiral molecule with a unique structure. It features a cyclopenta[a]phenanthrene core, which is a type of polycyclic aromatic hydrocarbon. The compound is characterized by its 17-(tert-butyl-dimethyl-silanyloxy) group, which is a silyl ether protecting group commonly used in organic synthesis to protect hydroxyl groups. The molecule also contains two methyl groups at the 10 and 13 positions, and it has a 3,6-diol functional group, indicating the presence of two hydroxyl groups at these positions. The stereochemistry of the molecule is specified by the R and S configurations at various carbon centers, which are crucial for its three-dimensional structure and potential biological activity. (3R,5S,6R,8R,9S,10R,13S,14S,17S)-17-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-3,6-diol is likely to be found in the field of organic chemistry, particularly in the synthesis of complex natural products or pharmaceuticals, due to its intricate structure and functional groups.
The CAS Registry Mumber 69389-44-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,3,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 69389-44: (7*6)+(6*9)+(5*3)+(4*8)+(3*9)+(2*4)+(1*4)=182 182 % 10 = 2 So 69389-44-2 is a valid CAS Registry Number.
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