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"UO2(tropolonate)2*tropolone" is a complex chemical compound consisting of uranium dioxide (UO2), tropolonate ions, and tropolone molecules. In UO2(tropolonate)2*tropolone, uranium dioxide acts as the central metal ion, while tropolonate ions (C7H5O3-) and tropolone molecules (C7H6O2) serve as ligands, coordinating with the uranium ion to form a stable complex. Tropolonate is a derivative of tropolone, featuring an additional carboxylate group that allows it to bind more effectively to the uranium center. UO2(tropolonate)2*tropolone is of interest in the field of inorganic chemistry, particularly in the study of actinide complexes, and may have applications in nuclear chemistry and materials science.

21157-59-5

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21157-59-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 21157-59-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,5 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 21157-59:
(7*2)+(6*1)+(5*1)+(4*5)+(3*7)+(2*5)+(1*9)=85
85 % 10 = 5
So 21157-59-5 is a valid CAS Registry Number.

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