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252720-13-1

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252720-13-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 252720-13-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,7,2 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 252720-13:
(8*2)+(7*5)+(6*2)+(5*7)+(4*2)+(3*0)+(2*1)+(1*3)=111
111 % 10 = 1
So 252720-13-1 is a valid CAS Registry Number.

252720-13-1Relevant articles and documents

The synthesis of N4-(6-aminopyridin-2-yl)-2′-deoxycytidine for recognizing the CG base pair at neutral pH by oligodeoxyribonucleotide-directed triple helix formation

Chin

, p. 751 - 758 (1999)

The sequence-specific recognition of double-helical DNA by oligodeoxyribonucleotide-directed triple helix (triplex) formation is limited mostly to purine tracts. To interrupt the purine tract in a target sequence, a non-natural deoxyribonucleoside N4

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