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74881-61-1

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74881-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74881-61-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,8 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74881-61:
(7*7)+(6*4)+(5*8)+(4*8)+(3*1)+(2*6)+(1*1)=161
161 % 10 = 1
So 74881-61-1 is a valid CAS Registry Number.

74881-61-1Relevant articles and documents

Electrochemical Reactions. Part 23. Intramolecular Radical Substitution during the Reduction of 2-Halogeno-N-methyl-N-naphthylbenzamides

Grimshaw, James,Haslett, Reginald J.

, p. 657 - 660 (2007/10/02)

Phenyl radical intermediates formed by the reductive cleavage of the carbon-halogen bond in 2-halogeno-N-methyl-N-(1-naphthyl)benzamides undergo intramolecular substitution to give N-methyl-2-(1-naphthyl)benzamide, and no N-methylbenzophenanthridone is formed.Reduction of 2-halogeno-N-methyl-N-(2-naphthyl)benzamides gives N-methyl-2-(2-naphthyl)benzamide, N-methylbenzophenanthridone, and N-methylbenzophenanthridone.These results complete our comparison of this electrochemical reaction with related radical Pschorr cyclisations.Further reduction of these initial reaction products occurs that only qualitative conclusions can be drawn from the product yields.

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