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20784-52-5

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20784-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20784-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,8 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20784-52:
(7*2)+(6*0)+(5*7)+(4*8)+(3*4)+(2*5)+(1*2)=105
105 % 10 = 5
So 20784-52-5 is a valid CAS Registry Number.

20784-52-5Relevant academic research and scientific papers

SYNTHESIS OF NOVEL 3'-ISOMERIC DIDEOXYNUCLEOSIDES

Nuesca, Zoradia M.,Nair, Vasu

, p. 2485 - 2488 (1994)

Approaches to representative examples of 3'-isomeric dideoxynucleosides with 2'(S),3'(R) and 2'(R),3'(S) absolute stereochemistry have been developed.These are among the first cases of isomeric dideoxynucleosides with the base moiety at the 3'-position.The chemistry developed has generality and can be applied to the synthesis of other related isomeric nucleosides.

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