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221298-24-4

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221298-24-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221298-24-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,2,9 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 221298-24:
(8*2)+(7*2)+(6*1)+(5*2)+(4*9)+(3*8)+(2*2)+(1*4)=114
114 % 10 = 4
So 221298-24-4 is a valid CAS Registry Number.

221298-24-4Downstream Products

221298-24-4Relevant articles and documents

Synthesis of polyazacyclophane-intercalator conjugates for combinatorial chemistry and RNA interaction studies

Wang,An,Haly,Cook

, p. 687 - 696 (2007/10/03)

Anthraquinone and pyrene intercalators were conjugated to different positions of several polyazapyridinocyclophanes by various linkers to provide thirteen new polyazacyclophane-intercalator conjugates 1-13. These resulting conjugates contain two or three constrained secondary nitrogen atoms on the ring, which may serve as nucleophilic, coordinating or hydrogen-bonding sites for combinatorial, RNA interaction and coordination studies.

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