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1415722-80-3

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1415722-80-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1415722-80-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,5,7,2 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1415722-80:
(9*1)+(8*4)+(7*1)+(6*5)+(5*7)+(4*2)+(3*2)+(2*8)+(1*0)=143
143 % 10 = 3
So 1415722-80-3 is a valid CAS Registry Number.

1415722-80-3Relevant academic research and scientific papers

Diastereoselective synthesis of 3,3-disubstituted oxindoles from atropisomeric N-aryl oxindole derivatives

Nakazaki, Atsuo,Mori, Ayako,Kobayashi, Susumu,Nishikawa, Toshio

, p. 7131 - 7134 (2013/01/15)

Diastereoselective synthesis of 3,3-disubstituted oxindoles has been examined by transformations involving nucleophilic addition, alkylation, and cycloaddition using chiral racemic N-aryl oxindoles bearing C-N axial chirality. The most striking features of this approach are high diastereoselectivities (up to >95:5) when using ortho-monosubstituted N-aryl oxindoles and easy removal of the p-(benzyloxy)aryl moiety in the axially twisted amides by a mild two-step sequence.

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