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79816-14-1

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79816-14-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79816-14-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,8,1 and 6 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 79816-14:
(7*7)+(6*9)+(5*8)+(4*1)+(3*6)+(2*1)+(1*4)=171
171 % 10 = 1
So 79816-14-1 is a valid CAS Registry Number.

79816-14-1Relevant articles and documents

Apparatus and processes for the large scale generation and transfer of diazomethane

-

, (2008/06/13)

For large scale preparation of pyrimidine ribonucleosides, the intermediate 2-O-methyl-(or ethyl)-1,3,5-tri-O-benzoyl-α-D-ribose can be prepared using a diazomethane (or diazoethane) reaction that is controlled via an inert solvent transferring system. This transfer system allows for large scale preparations of the pyrimidine ribonucleosides.

Synthesis of 2',3'-Differentiated Ribonucleosides via Glycosylation. Reactions with 2-O-Me or 2-O-TBDMS Ribofuranose Derivatives. 1. Pyrimidine Series

Chavis, C.,Dumont, F.,Wightman, R. H.,Ziegler, J. C.,Imbach, J. L.

, p. 202 - 206 (2007/10/02)

The synthesis of 2',3' asymmetrically substituted pyrimidine ribonucleosides in 70-95percent yields by using modified Vorbruggen conditions with "nonparticipating" 2-O-CH3 and 2-O-TBDMS ribofuranoses is described.Such compounds are useful synthons for oligoribonucleotide synthesis, including incorporation of "rare" bases.New and practically useful conditions for placement (using 1,2,4-triazole) and removal (KF/crown ether) of the tert-butyldimethylsilyl (TBDMS) protecting group are also reported.

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