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865434-72-6

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865434-72-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 865434-72-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,5,4,3 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 865434-72:
(8*8)+(7*6)+(6*5)+(5*4)+(4*3)+(3*4)+(2*7)+(1*2)=196
196 % 10 = 6
So 865434-72-6 is a valid CAS Registry Number.

865434-72-6Relevant articles and documents

Synthesis, cytostatic and anti-HCV activity of 6-(N-substituted aminomethyl)-, 6-(O-substituted hydroxymethyl)- and 6-(S-substituted sulfanylmethyl)purine nucleosides

Silhar, Peter,Hocek, Michal,Pohl, Radek,Votruba, Ivan,Shih, I-hung,Mabery, Eric,Mackman, Richard

, p. 2329 - 2366 (2008/12/21)

An efficient and facile synthesis of a large series of diverse 6-(N-substituted aminomethyl)-, 6-(O-substituted hydroxymethyl)- and 6-(S-substituted sulfanylmethyl)purine nucleosides (55 examples of both ribo- and 2′-deoxyribonucleosides), aimed at identifying novel homologues of natural nucleosides, was developed. The key transformation involved nucleophilic substitutions of Tol-protected 6-(mesyloxymethyl)purine nucleosides by primary or secondary amines, alcoholates or thiolates. While the 2′-deoxyribonucleosides were inactive, the ribonucleosides exerted considerable cytostatic effects and some anti-HCV activity with low selectivity.

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