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521270-79-1

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521270-79-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 521270-79-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,1,2,7 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 521270-79:
(8*5)+(7*2)+(6*1)+(5*2)+(4*7)+(3*0)+(2*7)+(1*9)=121
121 % 10 = 1
So 521270-79-1 is a valid CAS Registry Number.

521270-79-1Relevant articles and documents

Synthesis of 2,4-disubstituted quinolines by reactions of o-isocyano-β-methoxystyrene derivatives with organolithiums

Kobayashi, Kazuhiro,Yoneda, Keiichi,Mano, Masaaki,Morikawa, Osamu,Konishi, Hisatoshi

, p. 76 - 77 (2003)

Alkyl(or aryl)lithiums reacted efficiently with o-isocyano-β-methoxystyrene derivatives, prepared in three steps from o-aminophenyl ketones, to afford the corresponding 2,4-disubstituted quinolines in satisfactory yields.

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