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51494-98-5

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51494-98-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51494-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,9 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 51494-98:
(7*5)+(6*1)+(5*4)+(4*9)+(3*4)+(2*9)+(1*8)=135
135 % 10 = 5
So 51494-98-5 is a valid CAS Registry Number.

51494-98-5Relevant articles and documents

RECYCLIZATION OF 2-(2-ACYLETHYL)PYRIDINIUM SALTS

Terenin, V. I.,Rumyantsev, A. N.,Nosyrev, P. V.,Gromov, S. P.,Bundel', Yu. G.

, p. 1016 - 1022 (2007/10/02)

Recyclization of 2-(2-acylethyl)pyridinium salts on treatment with nucleophiles may occur in different ways, to give heterocyclic compounds of various classes, namely indoles (the Kost-Sagitullin reaction products), 4-aminoindoles, and 3-hydroxy-1,2,3,4-tetrahydroquinolines, the formation of which constitute novel reactions in the recyclization of pyridinium salts.

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