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136343-70-9

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136343-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136343-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,3,4 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 136343-70:
(8*1)+(7*3)+(6*6)+(5*3)+(4*4)+(3*3)+(2*7)+(1*0)=119
119 % 10 = 9
So 136343-70-9 is a valid CAS Registry Number.

136343-70-9Relevant articles and documents

PHOTOCYCLIZATION OF HETEROARENES

Baklanov, M. V.,Frolov, A. N.

, p. 550 - 559 (2007/10/02)

The new reaction of the photocyclization of heteroarenes is described.It leads to the formation of condensed imidazoles with various structures.The relation of the acid-base properties to the course of the alkylation reaction was studied.For the case of 8-chlorodipyridoimidazole it was shown that mono- and diprotonation goes at the atom N5, but methylation at the atoms N5 and N6.

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