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223470-59-5

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223470-59-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 223470-59-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,4,7 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 223470-59:
(8*2)+(7*2)+(6*3)+(5*4)+(4*7)+(3*0)+(2*5)+(1*9)=115
115 % 10 = 5
So 223470-59-5 is a valid CAS Registry Number.

223470-59-5Relevant academic research and scientific papers

Systematic synthesis of specifically 13C/2H-labeled nucleosides from [ul-13C6]-D-glucose

Ono, Akira Mei,Shiina, Toko,Ono, Akira,Kainosho, Masatsune

, p. 2793 - 2796 (1998)

A systematic approach, which combines previously reported reactions with appropriate modifications, was established for preparing a variety of selectively deuterated nucleosides from glucose. We have developed a systematic method of synthesizing specifically deuterated nucleosides from glucose. Selectively 13C/2H-doubly labeled nucleosides, such as [1',2',3',4',5'-13C5;3',5'-2H2]- and [1',2',3',4',5'-13C5;4',5'- H2]-adenosines, have been synthesized starting from [ul-13C6]-D-glucose. These labeled nucleosides are very useful for precise conformational analyses of nucleic acids in solution by heteronuclear multidimensional NMR spectroscopy.

Studies Towards the Large Scale Chemical Synthesis of the Precursors of Ribonucleosides-3′,4′,5′,5″-2H4 and -2′,3′,4′,5′,5″-2H5

Foeldesi, Andras,Chattopadhyaya, Jyoti

, p. 2093 - 2104 (2007/10/03)

A summary delineating the large scale synthetic studies to prepare labeled precursors of ribonucleosides-3′,4′,5′,5″- 2H4 and -2′,3′,4′,5′,5″ -2H5 from D-glucose is presented. The recycling of deuterium-labeled

Diastereospecific chemical synthesis of ribonucleosides-3',4',5',5'-D4

Trifonova, Anna,Foeldesi, Andras,Dinya, Zoltan,Chattopadhyaya, Jyoti

, p. 4747 - 4762 (2007/10/03)

The diastereospecific chemical syntheses of uridine-3',4',5',5'-d4, cytidine-3',4',5',5'-d4, adenosine-3',4',5',5'-d4 and guanosine- 3',4',5',5'-d4 (>97 atom % 2H at C3', C4' and C5') have been achieved by condensation of appropriately protected aglycone with 1-O-acetyl 2,3,5-tri- O-(4-toluoyl)-α/β-D-ribofuranose-3,4,5,5'-d4 (27), which has been obtained in an overall yield of 20 % in 11 steps starting from 50 mmol of 2:5,6-Di-O- isopropylidene-α-D-glucose.

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