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127088-88-4

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127088-88-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127088-88-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,0,8 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 127088-88:
(8*1)+(7*2)+(6*7)+(5*0)+(4*8)+(3*8)+(2*8)+(1*8)=144
144 % 10 = 4
So 127088-88-4 is a valid CAS Registry Number.

127088-88-4Relevant articles and documents

Deoxyribonucleoside Phosphorodithioates. Preparation of Dinucleoside Phosphorodithioates from Nucleoside Thiophosphoramidites

Dahl, Bjarne H.,Bjergarde, Kirsten,Sommer, Vibeke B.,Dahl, Otto

, p. 896 - 901 (2007/10/02)

A series of protected thymidine thiophosphoramidites have been prepared and their properties evaluated.Although less reactive than phosphoramidites, thiophosphoramidites with small N-substituents (methyl) are useful synthons for the preparation of nucleoside phosphorodithioates, as demonstrated by the preparation of a thymidine dimer.The coupling reactions are not as clean as those of the analogous phosphoramidites since the alkylthio group is somewhat labile.

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