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187733-73-9

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187733-73-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187733-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,7,3 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 187733-73:
(8*1)+(7*8)+(6*7)+(5*7)+(4*3)+(3*3)+(2*7)+(1*3)=179
179 % 10 = 9
So 187733-73-9 is a valid CAS Registry Number.

187733-73-9Relevant articles and documents

Synthesis of amide-linked [(3')CH2CO-NH(5')] nucleoside analogues of small oligonucleotides

Robins, Morris J.,Doboszewski, Bogdan,Nilsson, Bradley L.,Peterson, Matt A.

, p. 69 - 86 (2007/10/03)

We report syntheses of new amide-linked (di-penta)nucleoside analogues of antisense oligonucleotide components. Solution-phase coupling of 3'- (carboxymethyl)-3'-deoxy- and 5'-amino-5'-deoxynucleoside derivatives provides amide dimers. Activated [3'-(carboxymethyl)-3'-deoxy] units with a 5'-azido-5'-deoxy function provide 'masked' 5'-amino-5'-deoxy residues for chain extension, and a 5'-O-DMT-protected unit provides the 5'-terminus for attachment to a phosphodiester linkage.

Stark erhoehte Affinitaet modifizierter Oligonucleotide mit in ihrer Konformation eingeschraenkten Furanose-Ringen fuer komplementaere RNA-Straenge

Mesmaeker, Alain De,Lesueur, Catherine,Bevierre, Marc-Olivier,Waldner, Adrian,Fritsch, Valerie,Wolf, Romain M.

, p. 2960 - 2964 (2007/10/03)

Keywords: Amide; Antisense-Oligonucleotide; Desoxyzucker; Molekular Modeling; Nucleinsaeuren

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