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(2R,3R,4S,5R)-2-[2-Amino-6-(2,4-dinitro-phenylsulfanyl)-purin-9-yl]-5-hydroxymethyl-tetrahydro-furan-3,4-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74418-21-6

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74418-21-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74418-21-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,1 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74418-21:
(7*7)+(6*4)+(5*4)+(4*1)+(3*8)+(2*2)+(1*1)=126
126 % 10 = 6
So 74418-21-6 is a valid CAS Registry Number.

74418-21-6Relevant articles and documents

Preparation of 6-thioguanosine phosphoramidite for oligoribonucleotide synthesis

Wang, Yang,Lattmann, Eric,Zheng, Qinguo

, p. 1247 - 1249 (2003)

6-Thioguanosine phosphoramidite was prepared, using 2,4-dinitrophenyl as protection group for thio-function, and its stability towards conditions of RNA synthesis was investigated. The results show that the monomer was stable under the conditions of RNA synthesis and suitable for incorporation of thioguanine into oligoribonucleotides.

Synthesis of S6-(2,4-dinitrophenyl)-6-thioguanosine phosphoramidite and its incorporation into oligoribonucleotides

Zheng, Qinguo,Wang, Yang,Lattmann, Eric

, p. 3141 - 3144 (2007/10/03)

The preparation of N2-phenoxylacetyl-S 6-(2,4-dinitrophenyl)-6-thioguanosine phosphoramidite and its subsequent incorporation into oligoribonucleotides is described. The identity of the oligonucleotides was confirmed by UV spectrophotometry and nucleoside composition analysis.

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