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N6-methyl-N6-{[2-(4-nitropheyl)ethoxy]carbonyl}-2'-O-(tetrahydro-4-methoxy-2H-pyran-4-yl)adenosine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

644990-32-9

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644990-32-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 644990-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,4,9,9 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 644990-32:
(8*6)+(7*4)+(6*4)+(5*9)+(4*9)+(3*0)+(2*3)+(1*2)=189
189 % 10 = 9
So 644990-32-9 is a valid CAS Registry Number.

644990-32-9Relevant academic research and scientific papers

Nucleotides: Part LXXII. Synthesis of N-methylated ribonucleosides for RNA synthesis

Beier, Markus,Pfleiderer, Wolfgang

, p. 2533 - 2545 (2007/10/03)

The synthesis of various N-methylated nucleosides (m6A, m 3C, m4C, m3U) is described. These minor nucleosides can be obtained by simple methylation with diazomethane of [2-(4-nitrophenyl)ethoxy]carbonyl(npeoc)-protected nucleosides. These methylated compounds are easily further derivatized to fit into the scheme of the [2-(dansyl)ethoxy]carbonyl (dnseoc) approach for RNA synthesis (dansyl = [5-(dimethylamino)naphthalen-1-yl]sulfonyl). Various oligoribonucleotides containing N6-methyladenosine were synthesized, underlining the usefulness of the dnseoc approach, especially for the synthesis of natural tRNA-derived oligoribonucleotide sequences.

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