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117654-61-2

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117654-61-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117654-61-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,5 and 4 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 117654-61:
(8*1)+(7*1)+(6*7)+(5*6)+(4*5)+(3*4)+(2*6)+(1*1)=132
132 % 10 = 2
So 117654-61-2 is a valid CAS Registry Number.

117654-61-2Downstream Products

117654-61-2Relevant articles and documents

Synthesis and conformation of 1-(3'-C-methyl-2'-deoxy-β-D-xylofuranosyl)uracil and 9-(3'-C'-methyl-2'-deoxy-β-D-xylofuranosyl)adenine; two novel sugar-methylated nucleoside analogues

Koole, L. H.,Moody, H. M.,Buck, H. M.,Grouiller, A.,Essadiq, H.,et al.

, p. 343 - 346 (1988)

The preparation and high-resolution 1H NMR conformational analysis of the two novel nucleoside analogues, 1-(3'-C-methyl-2'-deoxy-β-D-xylofuranosyl)uracil (compound 1) and 9-(3'-C-methyl-2'-deoxy-β-D-xylofuranosyl)adenine (compound 2), are described.Compounds 1 and 2show a pronounced preference for the north conformation of the sugar ring.The north conformation corresponds with a sterically favoured equatorial location of the methyl group.The C4'-C5' conformation in 1 and 2 is predominantly γt (trans orientation of O5' and C3').The configuration at C3' in 1 and 2 was corroborated via a one-dimensional NOE experiment.The structure of compound 1 (originally assigned as having the C3'-methyl group on the β-face of the furanosyl moiety) is revised on the basis of these data.

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