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82145-23-1

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82145-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82145-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,4 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 82145-23:
(7*8)+(6*2)+(5*1)+(4*4)+(3*5)+(2*2)+(1*3)=111
111 % 10 = 1
So 82145-23-1 is a valid CAS Registry Number.

82145-23-1Relevant articles and documents

SYNTHESIS AND PROPERTIES OF ANALOGS OF 5(4)-AMINOIMIDAZOLE-4(5)-CARBOXAMIDE AND PURINES. ACYLATION OF 5(4)-AMINOIMIDAZOLE DERIVATIVES.

Mokrushin, V. S.,Pospelova, T. A.,Bakulev, V. A.,Golovina, E. F.,Nikolaeva, S. L.,Pushkareva, Z. V.

, p. 204 - 209 (2007/10/02)

The acylation of 5(4)-aminoimidazole derivatives was studied.It is shown that acylation by means of carboxylic acid anhydrides and chlorides takes place at the amino group, whereas acylation by means of chlorocarbonic acid esters takes place at the nitrogen atoms of the imidazole ring.Methods for the selective introduction of a carbomethoxy group in the 1, 3, and 5 positions of the 5(4)-aminoimidazole-4(5)-carboxamide molecule were developed.

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