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98477-41-9

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98477-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98477-41-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,4,7 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 98477-41:
(7*9)+(6*8)+(5*4)+(4*7)+(3*7)+(2*4)+(1*1)=189
189 % 10 = 9
So 98477-41-9 is a valid CAS Registry Number.

98477-41-9Downstream Products

98477-41-9Relevant articles and documents

Electrophilic Benzylation of 2-Aminopyridine Ring

Kowalski, Piotr

, p. 875 - 879 (2007/10/02)

In the reaction of 2-aminopyridine and its 3- or 5-methyl derivatives with benzyl chloride used in a molar ratio of 1:2, benzylation of 2-aminopyridine ring has been stated that 2-amino-3- or 5-benzylpyridines c as the major products were obtained.Formation of c type compounds took place in the decomposition of 2-benzylamino-3- or 5-benzylpyridines b obtained in the reaction of the 2-benzylaminopyridines a, excess benzyl chloride was used.Production of the b and c compounds, where the benzyl substituent occupied position 3 or 5 in 2-aminopyridine supported the electrophilic mechanism of the reaction (radical reaction was excluded).In the case of 2-aminopyridine and its 3-methyl derivative bis-(2-amino-5-pyridyl)phenylmethanes d were formed as the by-products.

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