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89607-03-4

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89607-03-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89607-03-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,0 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89607-03:
(7*8)+(6*9)+(5*6)+(4*0)+(3*7)+(2*0)+(1*3)=164
164 % 10 = 4
So 89607-03-4 is a valid CAS Registry Number.

89607-03-4Downstream Products

89607-03-4Relevant articles and documents

CYCLIZATION OF N-ALKYLAZINIUM CATIONS WITH BINUCLEOPHILES. 8. ANNELATION OF THE IMIDAZOLE RING WITH PYRAZINES AND QUINOXALINES

Charushin, V. N.,Baklynov, V. G.,Chupakhin, O. N.,Vereshchagina, N. N.,Naumova, L. M.,Sorokin, N. N.

, p. 1333 - 1338 (2007/10/02)

Monosubstituted and N, N'-disubstituted thioureas enter into cyclization with pyrazinium and quinoxalinium ion to form imidazo-annelated pyrazines and quinoxalines.

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