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79974-72-4

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79974-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79974-72-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,7 and 4 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 79974-72:
(7*7)+(6*9)+(5*9)+(4*7)+(3*4)+(2*7)+(1*2)=204
204 % 10 = 4
So 79974-72-4 is a valid CAS Registry Number.

79974-72-4Downstream Products

79974-72-4Relevant articles and documents

Nucleosides, XXXVII. - Synthesis and Properties of 2'-O- and 3'-O-(tert-Butyldimethylsilyl)-5'-O-(4-methoxytrityl)- and 2',3'-Bis(O-tert-butyldimethylsilyl)ribonucleosides - Starting Materials for Oligoribonucleotide Syntheses

Flockerzi, Dieter,Silber, Gunter,Charubala, Ramamurthy,Schlosser, Wilhelm,Varma, Rajendra Singh,et al.

, p. 1568 - 1585 (2007/10/02)

The synthesis of aminoacylated 5'-O-(4-methoxytrityl)ribonucleosides of adenosine (1), guanosine (9), cytidine (31), uridine (17), and 5,6-dihydrouridine (23) have been optimized and these compounds (4, 12, 33, 18 and 24) silylated by tert-butyldimethylsilyl chloride.The corresponding 2'- and 3'-mono-O- as well as 2',3'-bis-O-(tert-butyldimethylsilyl) derivatives have been isolated by combination of chromatographical methods and fractional crystallization procedures in preparative scale.The characterization of the newly synthesized compounds was achieved by UV and 13C-NMR spectra.

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