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130867-59-3

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130867-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130867-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,8,6 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 130867-59:
(8*1)+(7*3)+(6*0)+(5*8)+(4*6)+(3*7)+(2*5)+(1*9)=133
133 % 10 = 3
So 130867-59-3 is a valid CAS Registry Number.

130867-59-3Relevant articles and documents

An efficient approach to the synthesis of thymidine derivatives containing phosphate-isosteric methylene acetal linkages

Veeneman,Van Der Marel,Van Den Elst,Van Boom

, p. 1547 - 1562 (2007/12/18)

Iodonium ion promoted condensation of properly protected 3′-O-methylthiomethyl or 3′-O-(4-penten-1-oxymethyl)-thymidine with 3′-O-methoxyacetyl-thymidine, was explored. A judicious choice of the iodoinium source and protecting groups led to an efficient preparation of thymidine dimers having internucleosidic-3′5′)-methylene bonds. The latter procedure was utilized towards the synthesis, in solution and on a solid support, of DNA-fragments containing one or more T-CII2-T dimers. Further, 5′-O-methylthiomethyl-3′-O-methoxyacetyl-N 3-benzoyl-thymidine proved to be a suitable donor for the introduction of 5′-O-methylene acetal-linkage s between 2,3,4,6-tetra-Obenzyl-D-glucose, benzyl N-benzyloxycarbonyl-L-serine and dibenzyl phosphate.

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