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17613-67-1

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17613-67-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17613-67-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,6,1 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 17613-67:
(7*1)+(6*7)+(5*6)+(4*1)+(3*3)+(2*6)+(1*7)=111
111 % 10 = 1
So 17613-67-1 is a valid CAS Registry Number.

17613-67-1Relevant articles and documents

Antarafacial role of an aromatic nucleus; a novel regiospecific [π4a + π2a] intramolecular cycloaddition of the ene-ketene with an aromatic ring

Kuzuya, Masayuki,Miyake, Fumio,Okuda, Takachiyo

, p. 1043 - 1046 (1980)

The thermally generated ene-ketene undergoes a facile and regiospecific intramolecular cycloaddition with N,N-dimethylaniline to result in the novel formation of the azulenone derivative via a norcaradiene intermediate.

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