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1233946-55-8

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1233946-55-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1233946-55-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,3,9,4 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1233946-55:
(9*1)+(8*2)+(7*3)+(6*3)+(5*9)+(4*4)+(3*6)+(2*5)+(1*5)=158
158 % 10 = 8
So 1233946-55-8 is a valid CAS Registry Number.

1233946-55-8Relevant articles and documents

RNA-cleaving 10-23 deoxyribozyme with a single amino acid-like functionality operates without metal ion cofactors

Smuga, Damian,Majchrzak, Kinga,Sochacka, Elzbieta,Nawrot, Barbara

, p. 934 - 948 (2010/08/05)

A series of 10-23 deoxyribozymes (D2-D9) containing single amino-acid-bearing nucleosides (thr6dA, hisam6dA, hisam5dU and ncmnm5dU) at positions 4, 5, 8 or 15 of the catalytic core was obtained by chemical synthesis. The deoxyribozymes were screened for their catalytic efficiency, and in the presence of 1 mM Mg 2+ two of them, containing at position 8 either hisam5dU (D8) or ncmnm5dU (D9), were found to be RNA nucleases several times more active than their non-modified precursor. Moreover, in the magnesium-free TRIS or PIPES buffers, these enzymes were able to catalyze the cleavage of the phosphodiester bond located between the 5'-GpU-3' sequence of the complementary RNA substrate. The cleavage reaction proceeded with the highest efficiency at pH > 7.

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