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862543-11-1

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862543-11-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 862543-11-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,2,5,4 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 862543-11:
(8*8)+(7*6)+(6*2)+(5*5)+(4*4)+(3*3)+(2*1)+(1*1)=171
171 % 10 = 1
So 862543-11-1 is a valid CAS Registry Number.

862543-11-1Downstream Products

862543-11-1Relevant articles and documents

A solid-phase approach to novel purine and nucleoside analogs

Chang, Junbiao,Dong, Chunhong,Guo, Xiaohe,Hu, Weidong,Cheng, Senxiang,Wang, Qiang,Chen, Rongfeng

, p. 4760 - 4766 (2007/10/03)

This paper describes a method for the preparation of purine analogs using the solid-phase approach. Nucleoside bases were constructed on Merrifield resin by sequential displacement of purine dichloride with amines, and after detachment, the purine analogs were condensed with d,l-ribofuranoside compounds by the Vorbrueggen method. Thereof, l-ribofuranoside was prepared from l-arabinose via the selective oxidation-reduction procedure of the 2-OH group. Some compounds exhibited moderate activity against HIV-1 in PBM cells.

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