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141939-62-0

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141939-62-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141939-62-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,9,3 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 141939-62:
(8*1)+(7*4)+(6*1)+(5*9)+(4*3)+(3*9)+(2*6)+(1*2)=140
140 % 10 = 0
So 141939-62-0 is a valid CAS Registry Number.

141939-62-0Downstream Products

141939-62-0Relevant articles and documents

THE PHOTOCYCLIZATION OF N-ACYL-2-NITRODIPHENYLAMINES TO PHENAZINE N-OXIDES: SCOPE AND MECHANISM

Fasani, Elisa,Pietra, Silvio,Albini, Angelo

, p. 573 - 584 (2007/10/02)

The photocyclization of N-acyl-2-nitridiphenylamines to phenazine N-oxides is extended to several dinitro derivatives and a pyridine analogue obtaining N-oxides of otherwise difficult access.In the presence of some additives, the reaction takes a different course.Thus, with acids deacylation occurs, with triphenylphosphine a N-phosphoranylidene amine is formed and with 2,6-di-tert-butylphenol the corresponding nitrosodiphenylammine is obtained.A mechanism starting from the nitroamide triplet and involving several discrete intermediates is proposed in order to account for such observations.

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