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125944-20-9

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125944-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125944-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,9,4 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 125944-20:
(8*1)+(7*2)+(6*5)+(5*9)+(4*4)+(3*4)+(2*2)+(1*0)=129
129 % 10 = 9
So 125944-20-9 is a valid CAS Registry Number.

125944-20-9Relevant articles and documents

Study on disulfur-backboned nucleic acid: Part 1, efficient synthesis of 3′,5′-dithio-2′-deoxyadenosine

Zheng, Hongchao,Cheng, Changmei,Wang, Hua,Xu, Shanshan,Zhao, Yufen

, p. 2585 - 2587 (2007/10/03)

An efficient procedure is established to synthesize 3′,5′- dithio-2′-deoxyadenosine starting from 2′-deoxyadenosine in five steps in 33% overall yield. In this procedure, the key intermediate 9 was synthesized by twice SN2 reactions with twice

Novel and efficient syntheses of 3′,5′-diamino derivatives of 2′,3′,5′-trideoxycytidine and 2′,3′,5′-trideoxyadenosine. Protonation behavior of 3′,5′-diaminonucleosides

Lavandera, Iván,Fernández, Susana,Ferrero, Miguel,Gotor, Vicente

, p. 5449 - 5456 (2007/10/03)

High yielding synthetic routes to 3′,5′-diamino-2′,3′,5′-trideoxycytidine and 3′,5′-diamino-2′,3′,5′-trideoxyadenosine are described. In addition, the protonation behavior of 3′,5′-diamino-2′,3′,5′-trideoxycytidine, 3′,5′-diamino-2′,3′,5′-trideoxyadenosin

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