Cas 1055039-22-9,C47H55N8O14P

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Check Digit Verification of cas no

The CAS Registry Mumber 1055039-22-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,5,0,3 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1055039-22:
(9*1)+(8*0)+(7*5)+(6*5)+(5*0)+(4*3)+(3*9)+(2*2)+(1*2)=119
119 % 10 = 9
So 1055039-22-9 is a valid CAS Registry Number.

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1055039-22-9Relevant academic research and scientific papers

Synthesis and resolution of dinucleotide(TpAZT) phosphoramidates

Lin, Changxue,Fu, Hua,Tu, Guangzhong,Zhao, Yufen

, p. 2553 - 2562 (2007/10/03)

Dinucleotide (TpAZT) phosphoramidates were synthesized through Atherton-Todd reaction of dinucleoside H-phosphonates and amino acid methyl esters, and their diastereomers (Rp and Spu) were separated by crystallization. It was showed that the cheap methyl esters of natural alanine and phenylalanine could act as new chiral auxiliaries for large-scale synthesis of dinucleotide analogs.

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