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195968-50-4

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195968-50-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 195968-50-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,9,6 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 195968-50:
(8*1)+(7*9)+(6*5)+(5*9)+(4*6)+(3*8)+(2*5)+(1*0)=204
204 % 10 = 4
So 195968-50-4 is a valid CAS Registry Number.

195968-50-4Relevant academic research and scientific papers

FPMP-protected α-hydroxyphosphonate diesters for the synthesis of pro- oligonucleotides

Mauritz,Meier

, p. 675 - 678 (1997)

The synthesis of Fpmp-protected α-hydroxybenzylphosphonate diesters as building blocks for the oligonucleotide synthesis is described. The modified oligonucleotides obtained after cleavage from the solid support and deprotection of the acid-labile Fpmp group should lead to potential pro- oligonucleotides.

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