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233605-75-9

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233605-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 233605-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,3,6,0 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 233605-75:
(8*2)+(7*3)+(6*3)+(5*6)+(4*0)+(3*5)+(2*7)+(1*5)=119
119 % 10 = 9
So 233605-75-9 is a valid CAS Registry Number.

233605-75-9Downstream Products

233605-75-9Relevant academic research and scientific papers

Cyclic guanidines. Part 6.1 synthesis of benzimidazoles by intramolecular vicarious nucleophilic substitution of hydrogen

Esser, Franz,Ehrengart, Peter,Ignatow, Hans Peter

, p. 1153 - 1154 (2007/10/03)

m-Nitrophenylguanidines, which carry a vicarious leaving group, cyclize under basic conditions yielding nitrobenzimidazoles. Preliminary observations of the regioselectivity of the ring closure reaction are reported.

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