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91703-94-5

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91703-94-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91703-94-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,7,0 and 3 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91703-94:
(7*9)+(6*1)+(5*7)+(4*0)+(3*3)+(2*9)+(1*4)=135
135 % 10 = 5
So 91703-94-5 is a valid CAS Registry Number.

91703-94-5Relevant articles and documents

Chirally-modified oligonucleotides and the control of gene expression. The case of L-DNAs and -RNAs

Garbesi, Anna,Capobianco, Massimo L.,Colonna, Francesco P.,Maffini, Mauro,Niccolai, Daniela,Tondelli, Luisa

, p. 1275 - 1287 (2007/10/03)

The affinity of L-DNAs, L-RNAs and LD-DNAs for homopurine · homopyrimidine d.s. D-DNA and s.s. D-RNA was probed by gel electrophoresis and CD spectroscopy. It was found that the L-modified oligomers do not bind to d.s. DNA and to natural RNA that contains all four natural bases. Thus they cannot be used, in general, for the control of gene expression according to the antigene and antisense methodologies. Heterochiral complexes with 1:1 stoichiometry and low hem stability are formed, instead, by homopurinic L- RNA or L/D-DNA and homopyrimidinic L-RNA with the W/C complementary natural RNA sequences.

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