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81152-84-3

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81152-84-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81152-84-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,5 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81152-84:
(7*8)+(6*1)+(5*1)+(4*5)+(3*2)+(2*8)+(1*4)=113
113 % 10 = 3
So 81152-84-3 is a valid CAS Registry Number.

81152-84-3Relevant articles and documents

Ein neuer Zugang zu Indenopyridinen

Kunstmann, Rudolf,Lerch, Ulrich,Wagner, Konrad

, p. 1437 - 1444 (2007/10/02)

A new synthesis of 5H-indenopyridines (IV) starting from 4-cyanobutyrophenones (I) or their cyclization products, the 6-phenyl-3,4-dihydropyridin-2-ones (II), is reported.The condensation of I or II in polyphosphoric acid with aromatic or heteroaro

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