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174522-74-8

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174522-74-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 174522-74-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,5,2 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 174522-74:
(8*1)+(7*7)+(6*4)+(5*5)+(4*2)+(3*2)+(2*7)+(1*4)=138
138 % 10 = 8
So 174522-74-8 is a valid CAS Registry Number.

174522-74-8Relevant articles and documents

A new efficient method in nucleoside synthesis

Jungmann, Oliver,Pfleiderer, Wolfgang

, p. 8355 - 8358 (1996)

A new stereo- and regioselective synthesis for adenosine analogous nucleosides is described. Starting from 2- and 6-substituted 4-amino-7(8H)-pteridinones, DBU deprotonation and the ribosylation with an α-haloribofuranose derivative leads to the corresponding pteridine-N-8-β-D-nucleosides in reasonably good yields.

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