Cas 109619-64-9,3-α-bromobenzyl-3-hydroxy-2,5-piperazinedione

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Check Digit Verification of cas no

The CAS Registry Mumber 109619-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,1 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 109619-64:
(8*1)+(7*0)+(6*9)+(5*6)+(4*1)+(3*9)+(2*6)+(1*4)=139
139 % 10 = 9
So 109619-64-9 is a valid CAS Registry Number.

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109619-64-9Relevant academic research and scientific papers

Syntheses of Picroroccelin Diastereomers and Their Regioisomers

Shin, Chung-gi,Nakano, Toshitaka,Sato, Yoshiaki,Kato, Haruo

, p. 1453 - 1456 (1986)

Picroroccelin, 3,6-dibenzyl-3-hydroxy-6-methoxy-1-methyl-2,5-piperazinedione, and its regioisomer were synthesized as the diastereomeric mixtures from glycine anhydride via 3,6-dibenzylidene-1-methyl-2,5-piperazinedione by eight steps.

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