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109899-66-3

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109899-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109899-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,9 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 109899-66:
(8*1)+(7*0)+(6*9)+(5*8)+(4*9)+(3*9)+(2*6)+(1*6)=183
183 % 10 = 3
So 109899-66-3 is a valid CAS Registry Number.

109899-66-3Downstream Products

109899-66-3Relevant articles and documents

S NH Arylamination of 3-Nitropyridine: A Competitive Formation of 2-Arylamino-5-nitropyridines and 2-Arylamino-5-nitrosopyridines

Borovlev, Ivan V.,Demidov, Oleg P.,Amangasieva, Gulminat A.,Avakyan, Elena K.,Borovleva, Anastasia A.,Pobedinskaya, Diana Yu.

, p. 3520 - 3530 (2018/06/26)

Arylamination of 3-nitropyridine via the nucleophilic substitution of hydrogen leads to a mixture of 2-arylamino-5-nitropyridines and novel 2-arylamino-5-nitrosopyridines, with the latter as the major product. The proposed mechanism includes the formation of σ H -adducts and their further aromatization proceeding either through an oxidative pathway or intramolecular Red/Ox pathway of the S NH reaction. Moreover, we have shown that nitroso compounds can be selectively oxidized with m -chloroperbenzoic acid to give the corresponding nitro derivatives or their N -oxides, depending on the reaction temperature and the amount of oxidant.

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