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206559-19-5

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206559-19-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 206559-19-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,5,5 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 206559-19:
(8*2)+(7*0)+(6*6)+(5*5)+(4*5)+(3*9)+(2*1)+(1*9)=135
135 % 10 = 5
So 206559-19-5 is a valid CAS Registry Number.

206559-19-5Downstream Products

206559-19-5Relevant articles and documents

Syntheses of novel acyclic nucleosides, 9-(4′-hydroxy-2′-methylbut-1′-enyl) adenine and related compounds

Cheng, Changmei,Shimo, Tetsuro,Somekawa, Kenichi,Baba, Masanori

, p. 491 - 498 (2007/10/03)

An exploratory coupling reaction between adenine and a protected vicinal dibromo-intermediate was carried out to give the β,γ-unsaturated nucleoside analogues and a vinyl bromide derivative. Then a novel Cul catalytic coupling reaction between adenine and the vinyl bromide was successfully developed to afford an α,β-unsaturated acyclic nucleoside, 9-(4′-hydroxy-2′-methylbut-1′-enyl)adenine. All the above nucleosides were subjected to an anti-HIV-1 test.

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