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131444-91-2

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131444-91-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131444-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,4,4 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131444-91:
(8*1)+(7*3)+(6*1)+(5*4)+(4*4)+(3*4)+(2*9)+(1*1)=102
102 % 10 = 2
So 131444-91-2 is a valid CAS Registry Number.

131444-91-2Relevant articles and documents

Insertion of the fragile 2'-deoxyribosylurea residue into oligodeoxynucleotides

Guy,Ahmad,Teoule

, p. 5745 - 5748 (1990)

Deoxyribosylurea is an alkali sensitive DNA defect induced by the action of ionizing radiation. Oligonucleotides bearing this residue were synthesized using 5'-O-(4-methoxytrityl)-2'-deoxyribosylurea-3'-O-(2-cyanoethyl-N,N'-dii sopropyl)phosphoramidite and PAC protected deoxynucleoside phosphoramidites.

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