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344441-80-1

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344441-80-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344441-80-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,4,4 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 344441-80:
(8*3)+(7*4)+(6*4)+(5*4)+(4*4)+(3*1)+(2*8)+(1*0)=131
131 % 10 = 1
So 344441-80-1 is a valid CAS Registry Number.

344441-80-1Relevant articles and documents

Nitroxide Radicals. Part 21. Spontaneous Decomposition of N-Aryl 1- and 2-Naphthyl Nitroxides

Forrester, Alexander R.,Fullerton, Joseph D.,McConnachie, Gordon

, p. 1759 - 1764 (2007/10/02)

N-Aryl 1-naphthyl nitroxides self-react in solution to give the corresponding secondary amines and N-aryl-1,4-naphthoquinone imines.When reaction at the 4-naphthyl position is hindered by substituents benzoquinone imines are also produced.N-Phenyl 2-naphthyl nitroxide under similar conditions gives the corresponding amine and 2-phenylamino-1,4-naphthoquinone via a 1,2-naphthoquinone imine N-oxide intermediate.

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