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76145-89-6

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76145-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76145-89-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,4 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 76145-89:
(7*7)+(6*6)+(5*1)+(4*4)+(3*5)+(2*8)+(1*9)=146
146 % 10 = 6
So 76145-89-6 is a valid CAS Registry Number.

76145-89-6Relevant articles and documents

SYNTHESIS OF SOME BENZIMIDAZOLES CONTAINING 2-PERFLUORO SUBSTITUENTS

Eapen, Kalathil C.,Tamborski, Christ

, p. 243 - 258 (1981)

A new method is described for the preparation of 2-perfluoroalkylether-benzimidazoles through the N-monoacyl derivatives of o-phenylenediamine. 2-Pentafluorophenylbenzimidazole has been obtained by the reaction of o-phenylenediamine and pentafluorobenzoic acid in the presence of polyphosphoric acid. 2-Perfluoroalkylbenzimidazoles have been prepared in excellent yields by direct condensation of o-phenylenediamine with perfluoroalkane-carboxylic acids in the absence of any solvent or added reagent.Some derivatives of these compounds are also described.

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