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291758-34-4

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  • 6-Chloro-9-[2-O-(2,4-dimethoxybenzoyl)-3,5-O-[1,1,3,3-tetrakis(1-methylethyl)-1,3-disiloxanediyl]-4-thio-β-D-ribofuranosyl]-9H-purin-2-amine3

    Cas No: 291758-34-4

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291758-34-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 291758-34-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,7,5 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 291758-34:
(8*2)+(7*9)+(6*1)+(5*7)+(4*5)+(3*8)+(2*3)+(1*4)=174
174 % 10 = 4
So 291758-34-4 is a valid CAS Registry Number.

291758-34-4Relevant articles and documents

The stereoselective synthesis of 4'-β-thioribonucleosides via the pummerer reaction

Naka, Takashi,Minakawa, Noriaki,Abe, Hiroshi,Kaga, Daisuke,Matsuda, Akira

, p. 7233 - 7243 (2000)

An efficient stereoselective synthesis of 4'-β-thioribonucleosides 14, 15, 27, and 30 using the Pummerer reaction as the key step is described. The Pummerer reaction of 1,4-anhydro-2-O-(2,4-dimethoxybenzoyl)-3,5-O-(1,1,3,3-tetraisopro pyldisiloxane-1,3-di

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